Home / 90,079.80-124,310.16-49,244.10

Finding the Fourth Proportional to 90,079.80, 124,310.16 and 49,244.10

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Solution

The fourth proportional to 90,079.80, 124,310.16 and 49,244.10 is: 67,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,079.80 : 124,310.16 = 49,244.10 : x
  2. Step 2: Convert to fraction form
    90,079.80/124,310.16 = 49,244.10/x
  3. Step 3: Cross multiply
    90,079.80x = 124,310.16 × 49,244.10
  4. Step 4: Simplify right side
    90,079.80x = 6,121,541,950.06
  5. Step 5: Solve for x
    x = 6,121,541,950.06/90,079.80
  6. Step 6: Final answer
    x = 67,956.88

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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.