Home / 54,171.64-74,760.42-30,302.44

Finding the Fourth Proportional to 54,171.64, 74,760.42 and 30,302.44

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Solution

The fourth proportional to 54,171.64, 74,760.42 and 30,302.44 is: 41,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,171.64 : 74,760.42 = 30,302.44 : x
  2. Step 2: Convert to fraction form
    54,171.64/74,760.42 = 30,302.44/x
  3. Step 3: Cross multiply
    54,171.64x = 74,760.42 × 30,302.44
  4. Step 4: Simplify right side
    54,171.64x = 2,265,423,141.42
  5. Step 5: Solve for x
    x = 2,265,423,141.42/54,171.64
  6. Step 6: Final answer
    x = 41,819.36

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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.