Home / 87,933.14-131,898.56-21,373.07

Finding the Fourth Proportional to 87,933.14, 131,898.56 and 21,373.07

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Solution

The fourth proportional to 87,933.14, 131,898.56 and 21,373.07 is: 32,059.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,933.14 : 131,898.56 = 21,373.07 : x
  2. Step 2: Convert to fraction form
    87,933.14/131,898.56 = 21,373.07/x
  3. Step 3: Cross multiply
    87,933.14x = 131,898.56 × 21,373.07
  4. Step 4: Simplify right side
    87,933.14x = 2,819,077,378.66
  5. Step 5: Solve for x
    x = 2,819,077,378.66/87,933.14
  6. Step 6: Final answer
    x = 32,059.33

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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.