Home / 69,691.20-96,174.90-37,860.72

Finding the Fourth Proportional to 69,691.20, 96,174.90 and 37,860.72

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Solution

The fourth proportional to 69,691.20, 96,174.90 and 37,860.72 is: 52,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,691.20 : 96,174.90 = 37,860.72 : x
  2. Step 2: Convert to fraction form
    69,691.20/96,174.90 = 37,860.72/x
  3. Step 3: Cross multiply
    69,691.20x = 96,174.90 × 37,860.72
  4. Step 4: Simplify right side
    69,691.20x = 3,641,250,959.93
  5. Step 5: Solve for x
    x = 3,641,250,959.93/69,691.20
  6. Step 6: Final answer
    x = 52,248.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.