Home / 84,272.04-126,444.94-39,930.44

Finding the Fourth Proportional to 84,272.04, 126,444.94 and 39,930.44

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Solution

The fourth proportional to 84,272.04, 126,444.94 and 39,930.44 is: 59,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,272.04 : 126,444.94 = 39,930.44 : x
  2. Step 2: Convert to fraction form
    84,272.04/126,444.94 = 39,930.44/x
  3. Step 3: Cross multiply
    84,272.04x = 126,444.94 × 39,930.44
  4. Step 4: Simplify right side
    84,272.04x = 5,049,002,089.97
  5. Step 5: Solve for x
    x = 5,049,002,089.97/84,272.04
  6. Step 6: Final answer
    x = 59,913.13

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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.