Home / 83,840.38-125,773.02-27,686.41

Finding the Fourth Proportional to 83,840.38, 125,773.02 and 27,686.41

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Solution

The fourth proportional to 83,840.38, 125,773.02 and 27,686.41 is: 41,533.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,840.38 : 125,773.02 = 27,686.41 : x
  2. Step 2: Convert to fraction form
    83,840.38/125,773.02 = 27,686.41/x
  3. Step 3: Cross multiply
    83,840.38x = 125,773.02 × 27,686.41
  4. Step 4: Simplify right side
    83,840.38x = 3,482,203,084.23
  5. Step 5: Solve for x
    x = 3,482,203,084.23/83,840.38
  6. Step 6: Final answer
    x = 41,533.72

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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.