Home / 87,549.41-131,212.56-42,580.94

Finding the Fourth Proportional to 87,549.41, 131,212.56 and 42,580.94

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Solution

The fourth proportional to 87,549.41, 131,212.56 and 42,580.94 is: 63,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,549.41 : 131,212.56 = 42,580.94 : x
  2. Step 2: Convert to fraction form
    87,549.41/131,212.56 = 42,580.94/x
  3. Step 3: Cross multiply
    87,549.41x = 131,212.56 × 42,580.94
  4. Step 4: Simplify right side
    87,549.41x = 5,587,154,146.77
  5. Step 5: Solve for x
    x = 5,587,154,146.77/87,549.41
  6. Step 6: Final answer
    x = 63,817.16

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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.