Home / 79,462.20-119,186-26,872.14

Finding the Fourth Proportional to 79,462.20, 119,186 and 26,872.14

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Solution

The fourth proportional to 79,462.20, 119,186 and 26,872.14 is: 40,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,462.20 : 119,186 = 26,872.14 : x
  2. Step 2: Convert to fraction form
    79,462.20/119,186 = 26,872.14/x
  3. Step 3: Cross multiply
    79,462.20x = 119,186 × 26,872.14
  4. Step 4: Simplify right side
    79,462.20x = 3,202,782,878.04
  5. Step 5: Solve for x
    x = 3,202,782,878.04/79,462.20
  6. Step 6: Final answer
    x = 40,305.74

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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.