Home / 87,648.12-131,472.54-48,183.66

Finding the Fourth Proportional to 87,648.12, 131,472.54 and 48,183.66

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Solution

The fourth proportional to 87,648.12, 131,472.54 and 48,183.66 is: 72,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,648.12 : 131,472.54 = 48,183.66 : x
  2. Step 2: Convert to fraction form
    87,648.12/131,472.54 = 48,183.66/x
  3. Step 3: Cross multiply
    87,648.12x = 131,472.54 × 48,183.66
  4. Step 4: Simplify right side
    87,648.12x = 6,334,828,166.70
  5. Step 5: Solve for x
    x = 6,334,828,166.70/87,648.12
  6. Step 6: Final answer
    x = 72,275.69

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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.