Home / 85,195.74-127,792.53-29,020.62

Finding the Fourth Proportional to 85,195.74, 127,792.53 and 29,020.62

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Solution

The fourth proportional to 85,195.74, 127,792.53 and 29,020.62 is: 43,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,195.74 : 127,792.53 = 29,020.62 : x
  2. Step 2: Convert to fraction form
    85,195.74/127,792.53 = 29,020.62/x
  3. Step 3: Cross multiply
    85,195.74x = 127,792.53 × 29,020.62
  4. Step 4: Simplify right side
    85,195.74x = 3,708,618,451.97
  5. Step 5: Solve for x
    x = 3,708,618,451.97/85,195.74
  6. Step 6: Final answer
    x = 43,530.56

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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.