Home / 43,789.31-65,705.42-27,144.93

Finding the Fourth Proportional to 43,789.31, 65,705.42 and 27,144.93

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Solution

The fourth proportional to 43,789.31, 65,705.42 and 27,144.93 is: 40,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,789.31 : 65,705.42 = 27,144.93 : x
  2. Step 2: Convert to fraction form
    43,789.31/65,705.42 = 27,144.93/x
  3. Step 3: Cross multiply
    43,789.31x = 65,705.42 × 27,144.93
  4. Step 4: Simplify right side
    43,789.31x = 1,783,569,094.38
  5. Step 5: Solve for x
    x = 1,783,569,094.38/43,789.31
  6. Step 6: Final answer
    x = 40,730.70

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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.