Home / 85,330.87-127,998.15-26,165.23

Finding the Fourth Proportional to 85,330.87, 127,998.15 and 26,165.23

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Solution

The fourth proportional to 85,330.87, 127,998.15 and 26,165.23 is: 39,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,330.87 : 127,998.15 = 26,165.23 : x
  2. Step 2: Convert to fraction form
    85,330.87/127,998.15 = 26,165.23/x
  3. Step 3: Cross multiply
    85,330.87x = 127,998.15 × 26,165.23
  4. Step 4: Simplify right side
    85,330.87x = 3,349,101,034.32
  5. Step 5: Solve for x
    x = 3,349,101,034.32/85,330.87
  6. Step 6: Final answer
    x = 39,248.41

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Half scale
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Double scale
Find fourth proportional to 85,331.87, 127,999.65 and 26,166.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.