Home / 87,617.60-131,491.20-58,025.60

Finding the Fourth Proportional to 87,617.60, 131,491.20 and 58,025.60

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Solution

The fourth proportional to 87,617.60, 131,491.20 and 58,025.60 is: 87,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,617.60 : 131,491.20 = 58,025.60 : x
  2. Step 2: Convert to fraction form
    87,617.60/131,491.20 = 58,025.60/x
  3. Step 3: Cross multiply
    87,617.60x = 131,491.20 × 58,025.60
  4. Step 4: Simplify right side
    87,617.60x = 7,629,855,774.72
  5. Step 5: Solve for x
    x = 7,629,855,774.72/87,617.60
  6. Step 6: Final answer
    x = 87,081.31

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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.