Home / 84,456.48-126,706.32-25,291.92

Finding the Fourth Proportional to 84,456.48, 126,706.32 and 25,291.92

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Solution

The fourth proportional to 84,456.48, 126,706.32 and 25,291.92 is: 37,944.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,456.48 : 126,706.32 = 25,291.92 : x
  2. Step 2: Convert to fraction form
    84,456.48/126,706.32 = 25,291.92/x
  3. Step 3: Cross multiply
    84,456.48x = 126,706.32 × 25,291.92
  4. Step 4: Simplify right side
    84,456.48x = 3,204,646,108.93
  5. Step 5: Solve for x
    x = 3,204,646,108.93/84,456.48
  6. Step 6: Final answer
    x = 37,944.35

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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.