Home / 87,493.29-131,260.84-28,329.03

Finding the Fourth Proportional to 87,493.29, 131,260.84 and 28,329.03

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Solution

The fourth proportional to 87,493.29, 131,260.84 and 28,329.03 is: 42,500.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,493.29 : 131,260.84 = 28,329.03 : x
  2. Step 2: Convert to fraction form
    87,493.29/131,260.84 = 28,329.03/x
  3. Step 3: Cross multiply
    87,493.29x = 131,260.84 × 28,329.03
  4. Step 4: Simplify right side
    87,493.29x = 3,718,492,274.19
  5. Step 5: Solve for x
    x = 3,718,492,274.19/87,493.29
  6. Step 6: Final answer
    x = 42,500.31

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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.