Home / 83,669.63-115,470.26-51,844.73

Finding the Fourth Proportional to 83,669.63, 115,470.26 and 51,844.73

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Solution

The fourth proportional to 83,669.63, 115,470.26 and 51,844.73 is: 71,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669.63 : 115,470.26 = 51,844.73 : x
  2. Step 2: Convert to fraction form
    83,669.63/115,470.26 = 51,844.73/x
  3. Step 3: Cross multiply
    83,669.63x = 115,470.26 × 51,844.73
  4. Step 4: Simplify right side
    83,669.63x = 5,986,523,810.57
  5. Step 5: Solve for x
    x = 5,986,523,810.57/83,669.63
  6. Step 6: Final answer
    x = 71,549.55

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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.