Home / 90,354.02-124,685.16-52,115.13

Finding the Fourth Proportional to 90,354.02, 124,685.16 and 52,115.13

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Solution

The fourth proportional to 90,354.02, 124,685.16 and 52,115.13 is: 71,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,354.02 : 124,685.16 = 52,115.13 : x
  2. Step 2: Convert to fraction form
    90,354.02/124,685.16 = 52,115.13/x
  3. Step 3: Cross multiply
    90,354.02x = 124,685.16 × 52,115.13
  4. Step 4: Simplify right side
    90,354.02x = 6,497,983,322.47
  5. Step 5: Solve for x
    x = 6,497,983,322.47/90,354.02
  6. Step 6: Final answer
    x = 71,916.93

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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.