Home / 90,680.76-125,146.98-50,397.48

Finding the Fourth Proportional to 90,680.76, 125,146.98 and 50,397.48

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Solution

The fourth proportional to 90,680.76, 125,146.98 and 50,397.48 is: 69,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,680.76 : 125,146.98 = 50,397.48 : x
  2. Step 2: Convert to fraction form
    90,680.76/125,146.98 = 50,397.48/x
  3. Step 3: Cross multiply
    90,680.76x = 125,146.98 × 50,397.48
  4. Step 4: Simplify right side
    90,680.76x = 6,307,092,421.61
  5. Step 5: Solve for x
    x = 6,307,092,421.61/90,680.76
  6. Step 6: Final answer
    x = 69,552.71

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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.