Home / 87,828.50-131,759.40-35,242.14

Finding the Fourth Proportional to 87,828.50, 131,759.40 and 35,242.14

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Solution

The fourth proportional to 87,828.50, 131,759.40 and 35,242.14 is: 52,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,828.50 : 131,759.40 = 35,242.14 : x
  2. Step 2: Convert to fraction form
    87,828.50/131,759.40 = 35,242.14/x
  3. Step 3: Cross multiply
    87,828.50x = 131,759.40 × 35,242.14
  4. Step 4: Simplify right side
    87,828.50x = 4,643,483,221.12
  5. Step 5: Solve for x
    x = 4,643,483,221.12/87,828.50
  6. Step 6: Final answer
    x = 52,869.89

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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.