Home / 87,604.10-131,447.70-45,461.75

Finding the Fourth Proportional to 87,604.10, 131,447.70 and 45,461.75

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Solution

The fourth proportional to 87,604.10, 131,447.70 and 45,461.75 is: 68,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,604.10 : 131,447.70 = 45,461.75 : x
  2. Step 2: Convert to fraction form
    87,604.10/131,447.70 = 45,461.75/x
  3. Step 3: Cross multiply
    87,604.10x = 131,447.70 × 45,461.75
  4. Step 4: Simplify right side
    87,604.10x = 5,975,842,475.48
  5. Step 5: Solve for x
    x = 5,975,842,475.48/87,604.10
  6. Step 6: Final answer
    x = 68,214.19

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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.