Home / 87,883.67-131,845.08-48,420.47

Finding the Fourth Proportional to 87,883.67, 131,845.08 and 48,420.47

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Solution

The fourth proportional to 87,883.67, 131,845.08 and 48,420.47 is: 72,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,883.67 : 131,845.08 = 48,420.47 : x
  2. Step 2: Convert to fraction form
    87,883.67/131,845.08 = 48,420.47/x
  3. Step 3: Cross multiply
    87,883.67x = 131,845.08 × 48,420.47
  4. Step 4: Simplify right side
    87,883.67x = 6,384,000,081.56
  5. Step 5: Solve for x
    x = 6,384,000,081.56/87,883.67
  6. Step 6: Final answer
    x = 72,641.49

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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.