Home / 79,733.16-119,628.90-27,147.96

Finding the Fourth Proportional to 79,733.16, 119,628.90 and 27,147.96

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Solution

The fourth proportional to 79,733.16, 119,628.90 and 27,147.96 is: 40,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,733.16 : 119,628.90 = 27,147.96 : x
  2. Step 2: Convert to fraction form
    79,733.16/119,628.90 = 27,147.96/x
  3. Step 3: Cross multiply
    79,733.16x = 119,628.90 × 27,147.96
  4. Step 4: Simplify right side
    79,733.16x = 3,247,680,592.04
  5. Step 5: Solve for x
    x = 3,247,680,592.04/79,733.16
  6. Step 6: Final answer
    x = 40,731.87

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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.