Home / 79,614.20-119,407.73-75,222.38

Finding the Fourth Proportional to 79,614.20, 119,407.73 and 75,222.38

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Solution

The fourth proportional to 79,614.20, 119,407.73 and 75,222.38 is: 112,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,614.20 : 119,407.73 = 75,222.38 : x
  2. Step 2: Convert to fraction form
    79,614.20/119,407.73 = 75,222.38/x
  3. Step 3: Cross multiply
    79,614.20x = 119,407.73 × 75,222.38
  4. Step 4: Simplify right side
    79,614.20x = 8,982,132,667.85
  5. Step 5: Solve for x
    x = 8,982,132,667.85/79,614.20
  6. Step 6: Final answer
    x = 112,820.74

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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.