Home / 54,077.10-81,115.65-35,414.70

Finding the Fourth Proportional to 54,077.10, 81,115.65 and 35,414.70

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Solution

The fourth proportional to 54,077.10, 81,115.65 and 35,414.70 is: 53,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,077.10 : 81,115.65 = 35,414.70 : x
  2. Step 2: Convert to fraction form
    54,077.10/81,115.65 = 35,414.70/x
  3. Step 3: Cross multiply
    54,077.10x = 81,115.65 × 35,414.70
  4. Step 4: Simplify right side
    54,077.10x = 2,872,686,410.06
  5. Step 5: Solve for x
    x = 2,872,686,410.06/54,077.10
  6. Step 6: Final answer
    x = 53,122.05

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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.