Home / 73,279.13-109,919.24-17,875.13

Finding the Fourth Proportional to 73,279.13, 109,919.24 and 17,875.13

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Solution

The fourth proportional to 73,279.13, 109,919.24 and 17,875.13 is: 26,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,279.13 : 109,919.24 = 17,875.13 : x
  2. Step 2: Convert to fraction form
    73,279.13/109,919.24 = 17,875.13/x
  3. Step 3: Cross multiply
    73,279.13x = 109,919.24 × 17,875.13
  4. Step 4: Simplify right side
    73,279.13x = 1,964,820,065.53
  5. Step 5: Solve for x
    x = 1,964,820,065.53/73,279.13
  6. Step 6: Final answer
    x = 26,812.82

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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.