Home / 79,716.38-119,648.56-40,301.24

Finding the Fourth Proportional to 79,716.38, 119,648.56 and 40,301.24

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Solution

The fourth proportional to 79,716.38, 119,648.56 and 40,301.24 is: 60,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,716.38 : 119,648.56 = 40,301.24 : x
  2. Step 2: Convert to fraction form
    79,716.38/119,648.56 = 40,301.24/x
  3. Step 3: Cross multiply
    79,716.38x = 119,648.56 × 40,301.24
  4. Step 4: Simplify right side
    79,716.38x = 4,821,985,332.21
  5. Step 5: Solve for x
    x = 4,821,985,332.21/79,716.38
  6. Step 6: Final answer
    x = 60,489.27

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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.