Home / 45,695.90-62,920.16-39,998.77

Finding the Fourth Proportional to 45,695.90, 62,920.16 and 39,998.77

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Solution

The fourth proportional to 45,695.90, 62,920.16 and 39,998.77 is: 55,075.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,695.90 : 62,920.16 = 39,998.77 : x
  2. Step 2: Convert to fraction form
    45,695.90/62,920.16 = 39,998.77/x
  3. Step 3: Cross multiply
    45,695.90x = 62,920.16 × 39,998.77
  4. Step 4: Simplify right side
    45,695.90x = 2,516,728,800.90
  5. Step 5: Solve for x
    x = 2,516,728,800.90/45,695.90
  6. Step 6: Final answer
    x = 55,075.59

Related Problems

Find fourth proportional to 22,847.95, 31,460.08 and 19,999.38
Half scale
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Double scale
Find fourth proportional to 45,696.90, 62,921.54 and 39,999.77
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.