Home / 87,901.59-131,850.99-21,342.27

Finding the Fourth Proportional to 87,901.59, 131,850.99 and 21,342.27

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Solution

The fourth proportional to 87,901.59, 131,850.99 and 21,342.27 is: 32,013.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,901.59 : 131,850.99 = 21,342.27 : x
  2. Step 2: Convert to fraction form
    87,901.59/131,850.99 = 21,342.27/x
  3. Step 3: Cross multiply
    87,901.59x = 131,850.99 × 21,342.27
  4. Step 4: Simplify right side
    87,901.59x = 2,813,999,428.35
  5. Step 5: Solve for x
    x = 2,813,999,428.35/87,901.59
  6. Step 6: Final answer
    x = 32,013.07

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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.