Home / 79,723.13-119,584.85-74,851.59

Finding the Fourth Proportional to 79,723.13, 119,584.85 and 74,851.59

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Solution

The fourth proportional to 79,723.13, 119,584.85 and 74,851.59 is: 112,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,723.13 : 119,584.85 = 74,851.59 : x
  2. Step 2: Convert to fraction form
    79,723.13/119,584.85 = 74,851.59/x
  3. Step 3: Cross multiply
    79,723.13x = 119,584.85 × 74,851.59
  4. Step 4: Simplify right side
    79,723.13x = 8,951,115,919.37
  5. Step 5: Solve for x
    x = 8,951,115,919.37/79,723.13
  6. Step 6: Final answer
    x = 112,277.53

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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.