Home / 73,143.26-109,714.89-25,747.19

Finding the Fourth Proportional to 73,143.26, 109,714.89 and 25,747.19

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Solution

The fourth proportional to 73,143.26, 109,714.89 and 25,747.19 is: 38,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,143.26 : 109,714.89 = 25,747.19 : x
  2. Step 2: Convert to fraction form
    73,143.26/109,714.89 = 25,747.19/x
  3. Step 3: Cross multiply
    73,143.26x = 109,714.89 × 25,747.19
  4. Step 4: Simplify right side
    73,143.26x = 2,824,849,570.08
  5. Step 5: Solve for x
    x = 2,824,849,570.08/73,143.26
  6. Step 6: Final answer
    x = 38,620.78

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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.