Home / 68,741.76-94,867.35-38,536.79

Finding the Fourth Proportional to 68,741.76, 94,867.35 and 38,536.79

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Solution

The fourth proportional to 68,741.76, 94,867.35 and 38,536.79 is: 53,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,741.76 : 94,867.35 = 38,536.79 : x
  2. Step 2: Convert to fraction form
    68,741.76/94,867.35 = 38,536.79/x
  3. Step 3: Cross multiply
    68,741.76x = 94,867.35 × 38,536.79
  4. Step 4: Simplify right side
    68,741.76x = 3,655,882,833.54
  5. Step 5: Solve for x
    x = 3,655,882,833.54/68,741.76
  6. Step 6: Final answer
    x = 53,182.85

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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.