Home / 54,073.89-74,621.19-30,200.91

Finding the Fourth Proportional to 54,073.89, 74,621.19 and 30,200.91

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Solution

The fourth proportional to 54,073.89, 74,621.19 and 30,200.91 is: 41,676.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,073.89 : 74,621.19 = 30,200.91 : x
  2. Step 2: Convert to fraction form
    54,073.89/74,621.19 = 30,200.91/x
  3. Step 3: Cross multiply
    54,073.89x = 74,621.19 × 30,200.91
  4. Step 4: Simplify right side
    54,073.89x = 2,253,627,843.28
  5. Step 5: Solve for x
    x = 2,253,627,843.28/54,073.89
  6. Step 6: Final answer
    x = 41,676.82

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1.5x scale

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.