Home / 90,747.20-125,234.04-50,462.66

Finding the Fourth Proportional to 90,747.20, 125,234.04 and 50,462.66

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Solution

The fourth proportional to 90,747.20, 125,234.04 and 50,462.66 is: 69,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,747.20 : 125,234.04 = 50,462.66 : x
  2. Step 2: Convert to fraction form
    90,747.20/125,234.04 = 50,462.66/x
  3. Step 3: Cross multiply
    90,747.20x = 125,234.04 × 50,462.66
  4. Step 4: Simplify right side
    90,747.20x = 6,319,642,154.78
  5. Step 5: Solve for x
    x = 6,319,642,154.78/90,747.20
  6. Step 6: Final answer
    x = 69,640.08

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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.