Home / 80,749.80-111,419.64-44,939.79

Finding the Fourth Proportional to 80,749.80, 111,419.64 and 44,939.79

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Solution

The fourth proportional to 80,749.80, 111,419.64 and 44,939.79 is: 62,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,749.80 : 111,419.64 = 44,939.79 : x
  2. Step 2: Convert to fraction form
    80,749.80/111,419.64 = 44,939.79/x
  3. Step 3: Cross multiply
    80,749.80x = 111,419.64 × 44,939.79
  4. Step 4: Simplify right side
    80,749.80x = 5,007,175,223.48
  5. Step 5: Solve for x
    x = 5,007,175,223.48/80,749.80
  6. Step 6: Final answer
    x = 62,008.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.