Home / 87,638.60-131,522.70-58,046.60

Finding the Fourth Proportional to 87,638.60, 131,522.70 and 58,046.60

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Solution

The fourth proportional to 87,638.60, 131,522.70 and 58,046.60 is: 87,112.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,638.60 : 131,522.70 = 58,046.60 : x
  2. Step 2: Convert to fraction form
    87,638.60/131,522.70 = 58,046.60/x
  3. Step 3: Cross multiply
    87,638.60x = 131,522.70 × 58,046.60
  4. Step 4: Simplify right side
    87,638.60x = 7,634,445,557.82
  5. Step 5: Solve for x
    x = 7,634,445,557.82/87,638.60
  6. Step 6: Final answer
    x = 87,112.82

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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.