Home / 77,156.28-115,752.24-24,565.68

Finding the Fourth Proportional to 77,156.28, 115,752.24 and 24,565.68

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Solution

The fourth proportional to 77,156.28, 115,752.24 and 24,565.68 is: 36,854.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,156.28 : 115,752.24 = 24,565.68 : x
  2. Step 2: Convert to fraction form
    77,156.28/115,752.24 = 24,565.68/x
  3. Step 3: Cross multiply
    77,156.28x = 115,752.24 × 24,565.68
  4. Step 4: Simplify right side
    77,156.28x = 2,843,532,487.12
  5. Step 5: Solve for x
    x = 2,843,532,487.12/77,156.28
  6. Step 6: Final answer
    x = 36,854.19

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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.