Home / 54,115.36-74,678.97-30,242.02

Finding the Fourth Proportional to 54,115.36, 74,678.97 and 30,242.02

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Solution

The fourth proportional to 54,115.36, 74,678.97 and 30,242.02 is: 41,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,115.36 : 74,678.97 = 30,242.02 : x
  2. Step 2: Convert to fraction form
    54,115.36/74,678.97 = 30,242.02/x
  3. Step 3: Cross multiply
    54,115.36x = 74,678.97 × 30,242.02
  4. Step 4: Simplify right side
    54,115.36x = 2,258,442,904.32
  5. Step 5: Solve for x
    x = 2,258,442,904.32/54,115.36
  6. Step 6: Final answer
    x = 41,733.86

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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.