Home / 87,870.60-131,893.38-48,446.28

Finding the Fourth Proportional to 87,870.60, 131,893.38 and 48,446.28

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Solution

The fourth proportional to 87,870.60, 131,893.38 and 48,446.28 is: 72,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,870.60 : 131,893.38 = 48,446.28 : x
  2. Step 2: Convert to fraction form
    87,870.60/131,893.38 = 48,446.28/x
  3. Step 3: Cross multiply
    87,870.60x = 131,893.38 × 48,446.28
  4. Step 4: Simplify right side
    87,870.60x = 6,389,743,617.63
  5. Step 5: Solve for x
    x = 6,389,743,617.63/87,870.60
  6. Step 6: Final answer
    x = 72,717.65

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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.