Home / 54,945.52-82,418.48-13,392.52

Finding the Fourth Proportional to 54,945.52, 82,418.48 and 13,392.52

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Solution

The fourth proportional to 54,945.52, 82,418.48 and 13,392.52 is: 20,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,945.52 : 82,418.48 = 13,392.52 : x
  2. Step 2: Convert to fraction form
    54,945.52/82,418.48 = 13,392.52/x
  3. Step 3: Cross multiply
    54,945.52x = 82,418.48 × 13,392.52
  4. Step 4: Simplify right side
    54,945.52x = 1,103,791,141.77
  5. Step 5: Solve for x
    x = 1,103,791,141.77/54,945.52
  6. Step 6: Final answer
    x = 20,088.83

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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.