Home / 79,400.54-119,147.52-29,515.70

Finding the Fourth Proportional to 79,400.54, 119,147.52 and 29,515.70

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Solution

The fourth proportional to 79,400.54, 119,147.52 and 29,515.70 is: 44,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,400.54 : 119,147.52 = 29,515.70 : x
  2. Step 2: Convert to fraction form
    79,400.54/119,147.52 = 29,515.70/x
  3. Step 3: Cross multiply
    79,400.54x = 119,147.52 × 29,515.70
  4. Step 4: Simplify right side
    79,400.54x = 3,516,722,456.06
  5. Step 5: Solve for x
    x = 3,516,722,456.06/79,400.54
  6. Step 6: Final answer
    x = 44,290.91

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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.