Home / 84,079.35-126,127.91-34,151.96

Finding the Fourth Proportional to 84,079.35, 126,127.91 and 34,151.96

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Solution

The fourth proportional to 84,079.35, 126,127.91 and 34,151.96 is: 51,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,079.35 : 126,127.91 = 34,151.96 : x
  2. Step 2: Convert to fraction form
    84,079.35/126,127.91 = 34,151.96/x
  3. Step 3: Cross multiply
    84,079.35x = 126,127.91 × 34,151.96
  4. Step 4: Simplify right side
    84,079.35x = 4,307,514,535.80
  5. Step 5: Solve for x
    x = 4,307,514,535.80/84,079.35
  6. Step 6: Final answer
    x = 51,231.54

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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.