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Finding the Fourth Proportional to 71,034.91, 106,524.52 and 26,637.46

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Solution

The fourth proportional to 71,034.91, 106,524.52 and 26,637.46 is: 39,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,034.91 : 106,524.52 = 26,637.46 : x
  2. Step 2: Convert to fraction form
    71,034.91/106,524.52 = 26,637.46/x
  3. Step 3: Cross multiply
    71,034.91x = 106,524.52 × 26,637.46
  4. Step 4: Simplify right side
    71,034.91x = 2,837,542,307.61
  5. Step 5: Solve for x
    x = 2,837,542,307.61/71,034.91
  6. Step 6: Final answer
    x = 39,945.75

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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.