Home / 87,537.68-131,346.84-54,296.72

Finding the Fourth Proportional to 87,537.68, 131,346.84 and 54,296.72

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Solution

The fourth proportional to 87,537.68, 131,346.84 and 54,296.72 is: 81,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,537.68 : 131,346.84 = 54,296.72 : x
  2. Step 2: Convert to fraction form
    87,537.68/131,346.84 = 54,296.72/x
  3. Step 3: Cross multiply
    87,537.68x = 131,346.84 × 54,296.72
  4. Step 4: Simplify right side
    87,537.68x = 7,131,702,594.36
  5. Step 5: Solve for x
    x = 7,131,702,594.36/87,537.68
  6. Step 6: Final answer
    x = 81,470.09

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1.5x scale

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.