Home / 87,569.16-131,384.72-43,227

Finding the Fourth Proportional to 87,569.16, 131,384.72 and 43,227

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Solution

The fourth proportional to 87,569.16, 131,384.72 and 43,227 is: 64,855.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,569.16 : 131,384.72 = 43,227 : x
  2. Step 2: Convert to fraction form
    87,569.16/131,384.72 = 43,227/x
  3. Step 3: Cross multiply
    87,569.16x = 131,384.72 × 43,227
  4. Step 4: Simplify right side
    87,569.16x = 5,679,367,291.44
  5. Step 5: Solve for x
    x = 5,679,367,291.44/87,569.16
  6. Step 6: Final answer
    x = 64,855.79

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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.