Home / 54,414.08-75,091.26-30,543.02

Finding the Fourth Proportional to 54,414.08, 75,091.26 and 30,543.02

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Solution

The fourth proportional to 54,414.08, 75,091.26 and 30,543.02 is: 42,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,414.08 : 75,091.26 = 30,543.02 : x
  2. Step 2: Convert to fraction form
    54,414.08/75,091.26 = 30,543.02/x
  3. Step 3: Cross multiply
    54,414.08x = 75,091.26 × 30,543.02
  4. Step 4: Simplify right side
    54,414.08x = 2,293,513,856.01
  5. Step 5: Solve for x
    x = 2,293,513,856.01/54,414.08
  6. Step 6: Final answer
    x = 42,149.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.