Home / 84,867.54-117,049.62-54,655.35

Finding the Fourth Proportional to 84,867.54, 117,049.62 and 54,655.35

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Solution

The fourth proportional to 84,867.54, 117,049.62 and 54,655.35 is: 75,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,867.54 : 117,049.62 = 54,655.35 : x
  2. Step 2: Convert to fraction form
    84,867.54/117,049.62 = 54,655.35/x
  3. Step 3: Cross multiply
    84,867.54x = 117,049.62 × 54,655.35
  4. Step 4: Simplify right side
    84,867.54x = 6,397,387,948.47
  5. Step 5: Solve for x
    x = 6,397,387,948.47/84,867.54
  6. Step 6: Final answer
    x = 75,380.86

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1.5x scale

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.