Home / 87,902.59-131,852.49-21,343.27

Finding the Fourth Proportional to 87,902.59, 131,852.49 and 21,343.27

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Solution

The fourth proportional to 87,902.59, 131,852.49 and 21,343.27 is: 32,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,902.59 : 131,852.49 = 21,343.27 : x
  2. Step 2: Convert to fraction form
    87,902.59/131,852.49 = 21,343.27/x
  3. Step 3: Cross multiply
    87,902.59x = 131,852.49 × 21,343.27
  4. Step 4: Simplify right side
    87,902.59x = 2,814,163,294.24
  5. Step 5: Solve for x
    x = 2,814,163,294.24/87,902.59
  6. Step 6: Final answer
    x = 32,014.57

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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.