Home / 87,620.60-131,495.70-58,028.60

Finding the Fourth Proportional to 87,620.60, 131,495.70 and 58,028.60

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Solution

The fourth proportional to 87,620.60, 131,495.70 and 58,028.60 is: 87,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,620.60 : 131,495.70 = 58,028.60 : x
  2. Step 2: Convert to fraction form
    87,620.60/131,495.70 = 58,028.60/x
  3. Step 3: Cross multiply
    87,620.60x = 131,495.70 × 58,028.60
  4. Step 4: Simplify right side
    87,620.60x = 7,630,511,377.02
  5. Step 5: Solve for x
    x = 7,630,511,377.02/87,620.60
  6. Step 6: Final answer
    x = 87,085.82

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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.