Home / 91,034.78-136,551.42-27,854.64

Finding the Fourth Proportional to 91,034.78, 136,551.42 and 27,854.64

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Solution

The fourth proportional to 91,034.78, 136,551.42 and 27,854.64 is: 41,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,034.78 : 136,551.42 = 27,854.64 : x
  2. Step 2: Convert to fraction form
    91,034.78/136,551.42 = 27,854.64/x
  3. Step 3: Cross multiply
    91,034.78x = 136,551.42 × 27,854.64
  4. Step 4: Simplify right side
    91,034.78x = 3,803,590,645.59
  5. Step 5: Solve for x
    x = 3,803,590,645.59/91,034.78
  6. Step 6: Final answer
    x = 41,781.73

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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.