Home / 83,937.38-125,906.52-31,346.42

Finding the Fourth Proportional to 83,937.38, 125,906.52 and 31,346.42

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Solution

The fourth proportional to 83,937.38, 125,906.52 and 31,346.42 is: 47,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,937.38 : 125,906.52 = 31,346.42 : x
  2. Step 2: Convert to fraction form
    83,937.38/125,906.52 = 31,346.42/x
  3. Step 3: Cross multiply
    83,937.38x = 125,906.52 × 31,346.42
  4. Step 4: Simplify right side
    83,937.38x = 3,946,718,656.66
  5. Step 5: Solve for x
    x = 3,946,718,656.66/83,937.38
  6. Step 6: Final answer
    x = 47,019.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.