Home / 83,686.26-125,315.10-46,204.73

Finding the Fourth Proportional to 83,686.26, 125,315.10 and 46,204.73

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Solution

The fourth proportional to 83,686.26, 125,315.10 and 46,204.73 is: 69,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,686.26 : 125,315.10 = 46,204.73 : x
  2. Step 2: Convert to fraction form
    83,686.26/125,315.10 = 46,204.73/x
  3. Step 3: Cross multiply
    83,686.26x = 125,315.10 × 46,204.73
  4. Step 4: Simplify right side
    83,686.26x = 5,790,150,203.78
  5. Step 5: Solve for x
    x = 5,790,150,203.78/83,686.26
  6. Step 6: Final answer
    x = 69,188.78

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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.