Home / 79,723.26-119,585.04-74,851.72

Finding the Fourth Proportional to 79,723.26, 119,585.04 and 74,851.72

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Solution

The fourth proportional to 79,723.26, 119,585.04 and 74,851.72 is: 112,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,723.26 : 119,585.04 = 74,851.72 : x
  2. Step 2: Convert to fraction form
    79,723.26/119,585.04 = 74,851.72/x
  3. Step 3: Cross multiply
    79,723.26x = 119,585.04 × 74,851.72
  4. Step 4: Simplify right side
    79,723.26x = 8,951,145,145.21
  5. Step 5: Solve for x
    x = 8,951,145,145.21/79,723.26
  6. Step 6: Final answer
    x = 112,277.71

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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.