Home / 87,527.70-131,299.72-67,828.37

Finding the Fourth Proportional to 87,527.70, 131,299.72 and 67,828.37

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Solution

The fourth proportional to 87,527.70, 131,299.72 and 67,828.37 is: 101,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,527.70 : 131,299.72 = 67,828.37 : x
  2. Step 2: Convert to fraction form
    87,527.70/131,299.72 = 67,828.37/x
  3. Step 3: Cross multiply
    87,527.70x = 131,299.72 × 67,828.37
  4. Step 4: Simplify right side
    87,527.70x = 8,905,845,162.99
  5. Step 5: Solve for x
    x = 8,905,845,162.99/87,527.70
  6. Step 6: Final answer
    x = 101,748.88

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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.