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Finding the Fourth Proportional to 67,937.16, 101,866.50 and 26,335.56

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Solution

The fourth proportional to 67,937.16, 101,866.50 and 26,335.56 is: 39,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,937.16 : 101,866.50 = 26,335.56 : x
  2. Step 2: Convert to fraction form
    67,937.16/101,866.50 = 26,335.56/x
  3. Step 3: Cross multiply
    67,937.16x = 101,866.50 × 26,335.56
  4. Step 4: Simplify right side
    67,937.16x = 2,682,711,322.74
  5. Step 5: Solve for x
    x = 2,682,711,322.74/67,937.16
  6. Step 6: Final answer
    x = 39,488.13

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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.