Home / 71,244.52-106,340.62-62,839.78

Finding the Fourth Proportional to 71,244.52, 106,340.62 and 62,839.78

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Solution

The fourth proportional to 71,244.52, 106,340.62 and 62,839.78 is: 93,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,244.52 : 106,340.62 = 62,839.78 : x
  2. Step 2: Convert to fraction form
    71,244.52/106,340.62 = 62,839.78/x
  3. Step 3: Cross multiply
    71,244.52x = 106,340.62 × 62,839.78
  4. Step 4: Simplify right side
    71,244.52x = 6,682,421,165.86
  5. Step 5: Solve for x
    x = 6,682,421,165.86/71,244.52
  6. Step 6: Final answer
    x = 93,795.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.