Home / 79,713.92-119,512.32-38,190.08

Finding the Fourth Proportional to 79,713.92, 119,512.32 and 38,190.08

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Solution

The fourth proportional to 79,713.92, 119,512.32 and 38,190.08 is: 57,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,713.92 : 119,512.32 = 38,190.08 : x
  2. Step 2: Convert to fraction form
    79,713.92/119,512.32 = 38,190.08/x
  3. Step 3: Cross multiply
    79,713.92x = 119,512.32 × 38,190.08
  4. Step 4: Simplify right side
    79,713.92x = 4,564,185,061.79
  5. Step 5: Solve for x
    x = 4,564,185,061.79/79,713.92
  6. Step 6: Final answer
    x = 57,257.06

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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.