Home / 84,331.08-126,496.80-57,956.04

Finding the Fourth Proportional to 84,331.08, 126,496.80 and 57,956.04

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Solution

The fourth proportional to 84,331.08, 126,496.80 and 57,956.04 is: 86,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,331.08 : 126,496.80 = 57,956.04 : x
  2. Step 2: Convert to fraction form
    84,331.08/126,496.80 = 57,956.04/x
  3. Step 3: Cross multiply
    84,331.08x = 126,496.80 × 57,956.04
  4. Step 4: Simplify right side
    84,331.08x = 7,331,253,600.67
  5. Step 5: Solve for x
    x = 7,331,253,600.67/84,331.08
  6. Step 6: Final answer
    x = 86,934.18

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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.