Home / 84,456.88-126,722.07-52,939.17

Finding the Fourth Proportional to 84,456.88, 126,722.07 and 52,939.17

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Solution

The fourth proportional to 84,456.88, 126,722.07 and 52,939.17 is: 79,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,456.88 : 126,722.07 = 52,939.17 : x
  2. Step 2: Convert to fraction form
    84,456.88/126,722.07 = 52,939.17/x
  3. Step 3: Cross multiply
    84,456.88x = 126,722.07 × 52,939.17
  4. Step 4: Simplify right side
    84,456.88x = 6,708,561,206.48
  5. Step 5: Solve for x
    x = 6,708,561,206.48/84,456.88
  6. Step 6: Final answer
    x = 79,431.79

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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.