Home / 87,544.74-131,390.58-45,450.66

Finding the Fourth Proportional to 87,544.74, 131,390.58 and 45,450.66

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Solution

The fourth proportional to 87,544.74, 131,390.58 and 45,450.66 is: 68,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,544.74 : 131,390.58 = 45,450.66 : x
  2. Step 2: Convert to fraction form
    87,544.74/131,390.58 = 45,450.66/x
  3. Step 3: Cross multiply
    87,544.74x = 131,390.58 × 45,450.66
  4. Step 4: Simplify right side
    87,544.74x = 5,971,788,578.78
  5. Step 5: Solve for x
    x = 5,971,788,578.78/87,544.74
  6. Step 6: Final answer
    x = 68,214.13

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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.