Home / 77,319.54-115,997.46-24,008.78

Finding the Fourth Proportional to 77,319.54, 115,997.46 and 24,008.78

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Solution

The fourth proportional to 77,319.54, 115,997.46 and 24,008.78 is: 36,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,319.54 : 115,997.46 = 24,008.78 : x
  2. Step 2: Convert to fraction form
    77,319.54/115,997.46 = 24,008.78/x
  3. Step 3: Cross multiply
    77,319.54x = 115,997.46 × 24,008.78
  4. Step 4: Simplify right side
    77,319.54x = 2,784,957,497.70
  5. Step 5: Solve for x
    x = 2,784,957,497.70/77,319.54
  6. Step 6: Final answer
    x = 36,018.81

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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.