Home / 84,463.40-126,731.82-52,945.68

Finding the Fourth Proportional to 84,463.40, 126,731.82 and 52,945.68

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Solution

The fourth proportional to 84,463.40, 126,731.82 and 52,945.68 is: 79,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,463.40 : 126,731.82 = 52,945.68 : x
  2. Step 2: Convert to fraction form
    84,463.40/126,731.82 = 52,945.68/x
  3. Step 3: Cross multiply
    84,463.40x = 126,731.82 × 52,945.68
  4. Step 4: Simplify right side
    84,463.40x = 6,709,902,387.54
  5. Step 5: Solve for x
    x = 6,709,902,387.54/84,463.40
  6. Step 6: Final answer
    x = 79,441.54

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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.