Home / 86,241.72-118,974.24-62,330.52

Finding the Fourth Proportional to 86,241.72, 118,974.24 and 62,330.52

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Solution

The fourth proportional to 86,241.72, 118,974.24 and 62,330.52 is: 85,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,241.72 : 118,974.24 = 62,330.52 : x
  2. Step 2: Convert to fraction form
    86,241.72/118,974.24 = 62,330.52/x
  3. Step 3: Cross multiply
    86,241.72x = 118,974.24 × 62,330.52
  4. Step 4: Simplify right side
    86,241.72x = 7,415,726,245.80
  5. Step 5: Solve for x
    x = 7,415,726,245.80/86,241.72
  6. Step 6: Final answer
    x = 85,987.69

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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.