Home / 85,182.53-117,489.33-54,952.52

Finding the Fourth Proportional to 85,182.53, 117,489.33 and 54,952.52

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Solution

The fourth proportional to 85,182.53, 117,489.33 and 54,952.52 is: 75,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,182.53 : 117,489.33 = 54,952.52 : x
  2. Step 2: Convert to fraction form
    85,182.53/117,489.33 = 54,952.52/x
  3. Step 3: Cross multiply
    85,182.53x = 117,489.33 × 54,952.52
  4. Step 4: Simplify right side
    85,182.53x = 6,456,334,169.16
  5. Step 5: Solve for x
    x = 6,456,334,169.16/85,182.53
  6. Step 6: Final answer
    x = 75,794.12

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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.