Home / 84,587.30-126,789.39-55,026.26

Finding the Fourth Proportional to 84,587.30, 126,789.39 and 55,026.26

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Solution

The fourth proportional to 84,587.30, 126,789.39 and 55,026.26 is: 82,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,587.30 : 126,789.39 = 55,026.26 : x
  2. Step 2: Convert to fraction form
    84,587.30/126,789.39 = 55,026.26/x
  3. Step 3: Cross multiply
    84,587.30x = 126,789.39 × 55,026.26
  4. Step 4: Simplify right side
    84,587.30x = 6,976,745,939.38
  5. Step 5: Solve for x
    x = 6,976,745,939.38/84,587.30
  6. Step 6: Final answer
    x = 82,479.83

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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.