Home / 79,747.59-119,621.52-74,876.04

Finding the Fourth Proportional to 79,747.59, 119,621.52 and 74,876.04

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Solution

The fourth proportional to 79,747.59, 119,621.52 and 74,876.04 is: 112,314.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,747.59 : 119,621.52 = 74,876.04 : x
  2. Step 2: Convert to fraction form
    79,747.59/119,621.52 = 74,876.04/x
  3. Step 3: Cross multiply
    79,747.59x = 119,621.52 × 74,876.04
  4. Step 4: Simplify right side
    79,747.59x = 8,956,785,716.38
  5. Step 5: Solve for x
    x = 8,956,785,716.38/79,747.59
  6. Step 6: Final answer
    x = 112,314.19

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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.