Home / 79,982.16-119,961.96-43,969.84

Finding the Fourth Proportional to 79,982.16, 119,961.96 and 43,969.84

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Solution

The fourth proportional to 79,982.16, 119,961.96 and 43,969.84 is: 65,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,982.16 : 119,961.96 = 43,969.84 : x
  2. Step 2: Convert to fraction form
    79,982.16/119,961.96 = 43,969.84/x
  3. Step 3: Cross multiply
    79,982.16x = 119,961.96 × 43,969.84
  4. Step 4: Simplify right side
    79,982.16x = 5,274,708,187.29
  5. Step 5: Solve for x
    x = 5,274,708,187.29/79,982.16
  6. Step 6: Final answer
    x = 65,948.56

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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.