Home / 87,488.41-131,290.53-48,073

Finding the Fourth Proportional to 87,488.41, 131,290.53 and 48,073

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Solution

The fourth proportional to 87,488.41, 131,290.53 and 48,073 is: 72,141.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488.41 : 131,290.53 = 48,073 : x
  2. Step 2: Convert to fraction form
    87,488.41/131,290.53 = 48,073/x
  3. Step 3: Cross multiply
    87,488.41x = 131,290.53 × 48,073
  4. Step 4: Simplify right side
    87,488.41x = 6,311,529,648.69
  5. Step 5: Solve for x
    x = 6,311,529,648.69/87,488.41
  6. Step 6: Final answer
    x = 72,141.32

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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.