Home / 87,397.02-130,975.92-66,032.18

Finding the Fourth Proportional to 87,397.02, 130,975.92 and 66,032.18

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Solution

The fourth proportional to 87,397.02, 130,975.92 and 66,032.18 is: 98,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,397.02 : 130,975.92 = 66,032.18 : x
  2. Step 2: Convert to fraction form
    87,397.02/130,975.92 = 66,032.18/x
  3. Step 3: Cross multiply
    87,397.02x = 130,975.92 × 66,032.18
  4. Step 4: Simplify right side
    87,397.02x = 8,648,625,525.11
  5. Step 5: Solve for x
    x = 8,648,625,525.11/87,397.02
  6. Step 6: Final answer
    x = 98,957.90

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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.