Home / 54,017.38-81,131.10-44,029.45

Finding the Fourth Proportional to 54,017.38, 81,131.10 and 44,029.45

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Solution

The fourth proportional to 54,017.38, 81,131.10 and 44,029.45 is: 66,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,017.38 : 81,131.10 = 44,029.45 : x
  2. Step 2: Convert to fraction form
    54,017.38/81,131.10 = 44,029.45/x
  3. Step 3: Cross multiply
    54,017.38x = 81,131.10 × 44,029.45
  4. Step 4: Simplify right side
    54,017.38x = 3,572,157,305.24
  5. Step 5: Solve for x
    x = 3,572,157,305.24/54,017.38
  6. Step 6: Final answer
    x = 66,129.78

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1.5x scale

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.