Home / 87,450.67-131,217.54-45,322.93

Finding the Fourth Proportional to 87,450.67, 131,217.54 and 45,322.93

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Solution

The fourth proportional to 87,450.67, 131,217.54 and 45,322.93 is: 68,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,450.67 : 131,217.54 = 45,322.93 : x
  2. Step 2: Convert to fraction form
    87,450.67/131,217.54 = 45,322.93/x
  3. Step 3: Cross multiply
    87,450.67x = 131,217.54 × 45,322.93
  4. Step 4: Simplify right side
    87,450.67x = 5,947,163,380.19
  5. Step 5: Solve for x
    x = 5,947,163,380.19/87,450.67
  6. Step 6: Final answer
    x = 68,005.92

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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.