Home / 71,815.20-107,731.68-24,438.24

Finding the Fourth Proportional to 71,815.20, 107,731.68 and 24,438.24

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Solution

The fourth proportional to 71,815.20, 107,731.68 and 24,438.24 is: 36,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,815.20 : 107,731.68 = 24,438.24 : x
  2. Step 2: Convert to fraction form
    71,815.20/107,731.68 = 24,438.24/x
  3. Step 3: Cross multiply
    71,815.20x = 107,731.68 × 24,438.24
  4. Step 4: Simplify right side
    71,815.20x = 2,632,772,651.44
  5. Step 5: Solve for x
    x = 2,632,772,651.44/71,815.20
  6. Step 6: Final answer
    x = 36,660.38

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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.