Home / 85,758.46-118,306.82-55,553.97

Finding the Fourth Proportional to 85,758.46, 118,306.82 and 55,553.97

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Solution

The fourth proportional to 85,758.46, 118,306.82 and 55,553.97 is: 76,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,758.46 : 118,306.82 = 55,553.97 : x
  2. Step 2: Convert to fraction form
    85,758.46/118,306.82 = 55,553.97/x
  3. Step 3: Cross multiply
    85,758.46x = 118,306.82 × 55,553.97
  4. Step 4: Simplify right side
    85,758.46x = 6,572,412,937.54
  5. Step 5: Solve for x
    x = 6,572,412,937.54/85,758.46
  6. Step 6: Final answer
    x = 76,638.65

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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.