Home / 90,418.40-124,752.07-52,685.36

Finding the Fourth Proportional to 90,418.40, 124,752.07 and 52,685.36

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Solution

The fourth proportional to 90,418.40, 124,752.07 and 52,685.36 is: 72,691.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,418.40 : 124,752.07 = 52,685.36 : x
  2. Step 2: Convert to fraction form
    90,418.40/124,752.07 = 52,685.36/x
  3. Step 3: Cross multiply
    90,418.40x = 124,752.07 × 52,685.36
  4. Step 4: Simplify right side
    90,418.40x = 6,572,607,718.70
  5. Step 5: Solve for x
    x = 6,572,607,718.70/90,418.40
  6. Step 6: Final answer
    x = 72,691.04

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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.