Home / 90,747.09-125,233.17-50,462.55

Finding the Fourth Proportional to 90,747.09, 125,233.17 and 50,462.55

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Solution

The fourth proportional to 90,747.09, 125,233.17 and 50,462.55 is: 69,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,747.09 : 125,233.17 = 50,462.55 : x
  2. Step 2: Convert to fraction form
    90,747.09/125,233.17 = 50,462.55/x
  3. Step 3: Cross multiply
    90,747.09x = 125,233.17 × 50,462.55
  4. Step 4: Simplify right side
    90,747.09x = 6,319,585,102.78
  5. Step 5: Solve for x
    x = 6,319,585,102.78/90,747.09
  6. Step 6: Final answer
    x = 69,639.53

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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.