Home / 84,079.92-126,127.16-24,108.68

Finding the Fourth Proportional to 84,079.92, 126,127.16 and 24,108.68

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Solution

The fourth proportional to 84,079.92, 126,127.16 and 24,108.68 is: 36,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,079.92 : 126,127.16 = 24,108.68 : x
  2. Step 2: Convert to fraction form
    84,079.92/126,127.16 = 24,108.68/x
  3. Step 3: Cross multiply
    84,079.92x = 126,127.16 × 24,108.68
  4. Step 4: Simplify right side
    84,079.92x = 3,040,759,339.75
  5. Step 5: Solve for x
    x = 3,040,759,339.75/84,079.92
  6. Step 6: Final answer
    x = 36,165.11

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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.