Home / 79,731.54-119,600.15-27,134.19

Finding the Fourth Proportional to 79,731.54, 119,600.15 and 27,134.19

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Solution

The fourth proportional to 79,731.54, 119,600.15 and 27,134.19 is: 40,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,731.54 : 119,600.15 = 27,134.19 : x
  2. Step 2: Convert to fraction form
    79,731.54/119,600.15 = 27,134.19/x
  3. Step 3: Cross multiply
    79,731.54x = 119,600.15 × 27,134.19
  4. Step 4: Simplify right side
    79,731.54x = 3,245,253,058.46
  5. Step 5: Solve for x
    x = 3,245,253,058.46/79,731.54
  6. Step 6: Final answer
    x = 40,702.25

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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.