Home / 83,450.85-115,161.42-45,209.52

Finding the Fourth Proportional to 83,450.85, 115,161.42 and 45,209.52

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Solution

The fourth proportional to 83,450.85, 115,161.42 and 45,209.52 is: 62,388.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,450.85 : 115,161.42 = 45,209.52 : x
  2. Step 2: Convert to fraction form
    83,450.85/115,161.42 = 45,209.52/x
  3. Step 3: Cross multiply
    83,450.85x = 115,161.42 × 45,209.52
  4. Step 4: Simplify right side
    83,450.85x = 5,206,392,520.72
  5. Step 5: Solve for x
    x = 5,206,392,520.72/83,450.85
  6. Step 6: Final answer
    x = 62,388.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.