Home / 84,716.30-126,991.82-40,331.13

Finding the Fourth Proportional to 84,716.30, 126,991.82 and 40,331.13

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Solution

The fourth proportional to 84,716.30, 126,991.82 and 40,331.13 is: 60,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,716.30 : 126,991.82 = 40,331.13 : x
  2. Step 2: Convert to fraction form
    84,716.30/126,991.82 = 40,331.13/x
  3. Step 3: Cross multiply
    84,716.30x = 126,991.82 × 40,331.13
  4. Step 4: Simplify right side
    84,716.30x = 5,121,723,399.70
  5. Step 5: Solve for x
    x = 5,121,723,399.70/84,716.30
  6. Step 6: Final answer
    x = 60,457.36

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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.