Home / 54,306.36-74,944.62-30,434.04

Finding the Fourth Proportional to 54,306.36, 74,944.62 and 30,434.04

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Solution

The fourth proportional to 54,306.36, 74,944.62 and 30,434.04 is: 42,000.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306.36 : 74,944.62 = 30,434.04 : x
  2. Step 2: Convert to fraction form
    54,306.36/74,944.62 = 30,434.04/x
  3. Step 3: Cross multiply
    54,306.36x = 74,944.62 × 30,434.04
  4. Step 4: Simplify right side
    54,306.36x = 2,280,867,562.86
  5. Step 5: Solve for x
    x = 2,280,867,562.86/54,306.36
  6. Step 6: Final answer
    x = 42,000.01

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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.