Home / 49,046.64-73,570.65-13,986.30

Finding the Fourth Proportional to 49,046.64, 73,570.65 and 13,986.30

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Solution

The fourth proportional to 49,046.64, 73,570.65 and 13,986.30 is: 20,979.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,046.64 : 73,570.65 = 13,986.30 : x
  2. Step 2: Convert to fraction form
    49,046.64/73,570.65 = 13,986.30/x
  3. Step 3: Cross multiply
    49,046.64x = 73,570.65 × 13,986.30
  4. Step 4: Simplify right side
    49,046.64x = 1,028,981,182.10
  5. Step 5: Solve for x
    x = 1,028,981,182.10/49,046.64
  6. Step 6: Final answer
    x = 20,979.65

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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.