Home / 87,950.45-131,915.55-25,620.95

Finding the Fourth Proportional to 87,950.45, 131,915.55 and 25,620.95

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Solution

The fourth proportional to 87,950.45, 131,915.55 and 25,620.95 is: 38,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,950.45 : 131,915.55 = 25,620.95 : x
  2. Step 2: Convert to fraction form
    87,950.45/131,915.55 = 25,620.95/x
  3. Step 3: Cross multiply
    87,950.45x = 131,915.55 × 25,620.95
  4. Step 4: Simplify right side
    87,950.45x = 3,379,801,710.77
  5. Step 5: Solve for x
    x = 3,379,801,710.77/87,950.45
  6. Step 6: Final answer
    x = 38,428.48

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1.5x scale

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.