Home / 81,960.46-122,898.39-37,549.15

Finding the Fourth Proportional to 81,960.46, 122,898.39 and 37,549.15

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Solution

The fourth proportional to 81,960.46, 122,898.39 and 37,549.15 is: 56,304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,960.46 : 122,898.39 = 37,549.15 : x
  2. Step 2: Convert to fraction form
    81,960.46/122,898.39 = 37,549.15/x
  3. Step 3: Cross multiply
    81,960.46x = 122,898.39 × 37,549.15
  4. Step 4: Simplify right side
    81,960.46x = 4,614,729,773.62
  5. Step 5: Solve for x
    x = 4,614,729,773.62/81,960.46
  6. Step 6: Final answer
    x = 56,304.34

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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.