Home / 71,051.32-98,050.84-39,220.24

Finding the Fourth Proportional to 71,051.32, 98,050.84 and 39,220.24

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Solution

The fourth proportional to 71,051.32, 98,050.84 and 39,220.24 is: 54,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,051.32 : 98,050.84 = 39,220.24 : x
  2. Step 2: Convert to fraction form
    71,051.32/98,050.84 = 39,220.24/x
  3. Step 3: Cross multiply
    71,051.32x = 98,050.84 × 39,220.24
  4. Step 4: Simplify right side
    71,051.32x = 3,845,577,477.00
  5. Step 5: Solve for x
    x = 3,845,577,477.00/71,051.32
  6. Step 6: Final answer
    x = 54,123.94

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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.