Home / 84,001.57-126,020.79-61,747.47

Finding the Fourth Proportional to 84,001.57, 126,020.79 and 61,747.47

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Solution

The fourth proportional to 84,001.57, 126,020.79 and 61,747.47 is: 92,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,001.57 : 126,020.79 = 61,747.47 : x
  2. Step 2: Convert to fraction form
    84,001.57/126,020.79 = 61,747.47/x
  3. Step 3: Cross multiply
    84,001.57x = 126,020.79 × 61,747.47
  4. Step 4: Simplify right side
    84,001.57x = 7,781,464,949.90
  5. Step 5: Solve for x
    x = 7,781,464,949.90/84,001.57
  6. Step 6: Final answer
    x = 92,634.76

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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.