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Finding the Fourth Proportional to 68,868, 95,033.76 and 38,646.96

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Solution

The fourth proportional to 68,868, 95,033.76 and 38,646.96 is: 53,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,868 : 95,033.76 = 38,646.96 : x
  2. Step 2: Convert to fraction form
    68,868/95,033.76 = 38,646.96/x
  3. Step 3: Cross multiply
    68,868x = 95,033.76 × 38,646.96
  4. Step 4: Simplify right side
    68,868x = 3,672,765,921.37
  5. Step 5: Solve for x
    x = 3,672,765,921.37/68,868
  6. Step 6: Final answer
    x = 53,330.52

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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.