Home / 54,179.38-81,675.14-50,566.78

Finding the Fourth Proportional to 54,179.38, 81,675.14 and 50,566.78

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Solution

The fourth proportional to 54,179.38, 81,675.14 and 50,566.78 is: 76,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,179.38 : 81,675.14 = 50,566.78 : x
  2. Step 2: Convert to fraction form
    54,179.38/81,675.14 = 50,566.78/x
  3. Step 3: Cross multiply
    54,179.38x = 81,675.14 × 50,566.78
  4. Step 4: Simplify right side
    54,179.38x = 4,130,048,685.11
  5. Step 5: Solve for x
    x = 4,130,048,685.11/54,179.38
  6. Step 6: Final answer
    x = 76,229.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.