Home / 83,810.58-125,723.47-27,650.85

Finding the Fourth Proportional to 83,810.58, 125,723.47 and 27,650.85

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Solution

The fourth proportional to 83,810.58, 125,723.47 and 27,650.85 is: 41,478.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,810.58 : 125,723.47 = 27,650.85 : x
  2. Step 2: Convert to fraction form
    83,810.58/125,723.47 = 27,650.85/x
  3. Step 3: Cross multiply
    83,810.58x = 125,723.47 × 27,650.85
  4. Step 4: Simplify right side
    83,810.58x = 3,476,361,264.63
  5. Step 5: Solve for x
    x = 3,476,361,264.63/83,810.58
  6. Step 6: Final answer
    x = 41,478.79

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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.