Home / 87,763.05-131,658.23-28,584.95

Finding the Fourth Proportional to 87,763.05, 131,658.23 and 28,584.95

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Solution

The fourth proportional to 87,763.05, 131,658.23 and 28,584.95 is: 42,881.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,763.05 : 131,658.23 = 28,584.95 : x
  2. Step 2: Convert to fraction form
    87,763.05/131,658.23 = 28,584.95/x
  3. Step 3: Cross multiply
    87,763.05x = 131,658.23 × 28,584.95
  4. Step 4: Simplify right side
    87,763.05x = 3,763,443,334.81
  5. Step 5: Solve for x
    x = 3,763,443,334.81/87,763.05
  6. Step 6: Final answer
    x = 42,881.87

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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.