Home / 71,388.92-98,515.24-39,557.14

Finding the Fourth Proportional to 71,388.92, 98,515.24 and 39,557.14

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Solution

The fourth proportional to 71,388.92, 98,515.24 and 39,557.14 is: 54,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,388.92 : 98,515.24 = 39,557.14 : x
  2. Step 2: Convert to fraction form
    71,388.92/98,515.24 = 39,557.14/x
  3. Step 3: Cross multiply
    71,388.92x = 98,515.24 × 39,557.14
  4. Step 4: Simplify right side
    71,388.92x = 3,896,981,140.81
  5. Step 5: Solve for x
    x = 3,896,981,140.81/71,388.92
  6. Step 6: Final answer
    x = 54,588.04

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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.