Home / 87,398.04-130,977.42-66,033.18

Finding the Fourth Proportional to 87,398.04, 130,977.42 and 66,033.18

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Solution

The fourth proportional to 87,398.04, 130,977.42 and 66,033.18 is: 98,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,398.04 : 130,977.42 = 66,033.18 : x
  2. Step 2: Convert to fraction form
    87,398.04/130,977.42 = 66,033.18/x
  3. Step 3: Cross multiply
    87,398.04x = 130,977.42 × 66,033.18
  4. Step 4: Simplify right side
    87,398.04x = 8,648,855,550.80
  5. Step 5: Solve for x
    x = 8,648,855,550.80/87,398.04
  6. Step 6: Final answer
    x = 98,959.38

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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.