Home / 54,798.43-82,191.21-15,358.72

Finding the Fourth Proportional to 54,798.43, 82,191.21 and 15,358.72

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Solution

The fourth proportional to 54,798.43, 82,191.21 and 15,358.72 is: 23,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,798.43 : 82,191.21 = 15,358.72 : x
  2. Step 2: Convert to fraction form
    54,798.43/82,191.21 = 15,358.72/x
  3. Step 3: Cross multiply
    54,798.43x = 82,191.21 × 15,358.72
  4. Step 4: Simplify right side
    54,798.43x = 1,262,351,780.85
  5. Step 5: Solve for x
    x = 1,262,351,780.85/54,798.43
  6. Step 6: Final answer
    x = 23,036.28

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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.