Home / 80,724.66-121,072.68-24,551.16

Finding the Fourth Proportional to 80,724.66, 121,072.68 and 24,551.16

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Solution

The fourth proportional to 80,724.66, 121,072.68 and 24,551.16 is: 36,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,724.66 : 121,072.68 = 24,551.16 : x
  2. Step 2: Convert to fraction form
    80,724.66/121,072.68 = 24,551.16/x
  3. Step 3: Cross multiply
    80,724.66x = 121,072.68 × 24,551.16
  4. Step 4: Simplify right side
    80,724.66x = 2,972,474,738.31
  5. Step 5: Solve for x
    x = 2,972,474,738.31/80,724.66
  6. Step 6: Final answer
    x = 36,822.39

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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.