Home / 90,400.92-124,760.72-50,127.32

Finding the Fourth Proportional to 90,400.92, 124,760.72 and 50,127.32

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Solution

The fourth proportional to 90,400.92, 124,760.72 and 50,127.32 is: 69,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,400.92 : 124,760.72 = 50,127.32 : x
  2. Step 2: Convert to fraction form
    90,400.92/124,760.72 = 50,127.32/x
  3. Step 3: Cross multiply
    90,400.92x = 124,760.72 × 50,127.32
  4. Step 4: Simplify right side
    90,400.92x = 6,253,920,036.39
  5. Step 5: Solve for x
    x = 6,253,920,036.39/90,400.92
  6. Step 6: Final answer
    x = 69,179.83

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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.