Home / 87,594.75-131,475.15-54,213.84

Finding the Fourth Proportional to 87,594.75, 131,475.15 and 54,213.84

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Solution

The fourth proportional to 87,594.75, 131,475.15 and 54,213.84 is: 81,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,594.75 : 131,475.15 = 54,213.84 : x
  2. Step 2: Convert to fraction form
    87,594.75/131,475.15 = 54,213.84/x
  3. Step 3: Cross multiply
    87,594.75x = 131,475.15 × 54,213.84
  4. Step 4: Simplify right side
    87,594.75x = 7,127,772,746.08
  5. Step 5: Solve for x
    x = 7,127,772,746.08/87,594.75
  6. Step 6: Final answer
    x = 81,372.15

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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.