Home / 65,757.09-98,660.47-39,480.15

Finding the Fourth Proportional to 65,757.09, 98,660.47 and 39,480.15

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Solution

The fourth proportional to 65,757.09, 98,660.47 and 39,480.15 is: 59,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,757.09 : 98,660.47 = 39,480.15 : x
  2. Step 2: Convert to fraction form
    65,757.09/98,660.47 = 39,480.15/x
  3. Step 3: Cross multiply
    65,757.09x = 98,660.47 × 39,480.15
  4. Step 4: Simplify right side
    65,757.09x = 3,895,129,957.27
  5. Step 5: Solve for x
    x = 3,895,129,957.27/65,757.09
  6. Step 6: Final answer
    x = 59,235.13

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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.