Home / 84,329.52-126,610.92-42,805.68

Finding the Fourth Proportional to 84,329.52, 126,610.92 and 42,805.68

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Solution

The fourth proportional to 84,329.52, 126,610.92 and 42,805.68 is: 64,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,329.52 : 126,610.92 = 42,805.68 : x
  2. Step 2: Convert to fraction form
    84,329.52/126,610.92 = 42,805.68/x
  3. Step 3: Cross multiply
    84,329.52x = 126,610.92 × 42,805.68
  4. Step 4: Simplify right side
    84,329.52x = 5,419,666,526.03
  5. Step 5: Solve for x
    x = 5,419,666,526.03/84,329.52
  6. Step 6: Final answer
    x = 64,267.73

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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.