Home / 54,304.20-81,468.60-19,243.86

Finding the Fourth Proportional to 54,304.20, 81,468.60 and 19,243.86

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Solution

The fourth proportional to 54,304.20, 81,468.60 and 19,243.86 is: 28,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,304.20 : 81,468.60 = 19,243.86 : x
  2. Step 2: Convert to fraction form
    54,304.20/81,468.60 = 19,243.86/x
  3. Step 3: Cross multiply
    54,304.20x = 81,468.60 × 19,243.86
  4. Step 4: Simplify right side
    54,304.20x = 1,567,770,332.80
  5. Step 5: Solve for x
    x = 1,567,770,332.80/54,304.20
  6. Step 6: Final answer
    x = 28,870.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.