Home / 54,115.92-74,682.92-30,242.64

Finding the Fourth Proportional to 54,115.92, 74,682.92 and 30,242.64

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Solution

The fourth proportional to 54,115.92, 74,682.92 and 30,242.64 is: 41,736.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,115.92 : 74,682.92 = 30,242.64 : x
  2. Step 2: Convert to fraction form
    54,115.92/74,682.92 = 30,242.64/x
  3. Step 3: Cross multiply
    54,115.92x = 74,682.92 × 30,242.64
  4. Step 4: Simplify right side
    54,115.92x = 2,258,608,663.71
  5. Step 5: Solve for x
    x = 2,258,608,663.71/54,115.92
  6. Step 6: Final answer
    x = 41,736.49

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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.