Home / 77,115.24-115,648.10-24,512.42

Finding the Fourth Proportional to 77,115.24, 115,648.10 and 24,512.42

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Solution

The fourth proportional to 77,115.24, 115,648.10 and 24,512.42 is: 36,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,115.24 : 115,648.10 = 24,512.42 : x
  2. Step 2: Convert to fraction form
    77,115.24/115,648.10 = 24,512.42/x
  3. Step 3: Cross multiply
    77,115.24x = 115,648.10 × 24,512.42
  4. Step 4: Simplify right side
    77,115.24x = 2,834,815,195.76
  5. Step 5: Solve for x
    x = 2,834,815,195.76/77,115.24
  6. Step 6: Final answer
    x = 36,760.76

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1.5x scale

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.