Home / 79,490.43-119,161.52-26,863.11

Finding the Fourth Proportional to 79,490.43, 119,161.52 and 26,863.11

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Solution

The fourth proportional to 79,490.43, 119,161.52 and 26,863.11 is: 40,269.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,490.43 : 119,161.52 = 26,863.11 : x
  2. Step 2: Convert to fraction form
    79,490.43/119,161.52 = 26,863.11/x
  3. Step 3: Cross multiply
    79,490.43x = 119,161.52 × 26,863.11
  4. Step 4: Simplify right side
    79,490.43x = 3,201,048,423.72
  5. Step 5: Solve for x
    x = 3,201,048,423.72/79,490.43
  6. Step 6: Final answer
    x = 40,269.61

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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.