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Finding the Fourth Proportional to 57,729.70, 80,624.75 and 57,729.70

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Solution

The fourth proportional to 57,729.70, 80,624.75 and 57,729.70 is: 80,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,729.70 : 80,624.75 = 57,729.70 : x
  2. Step 2: Convert to fraction form
    57,729.70/80,624.75 = 57,729.70/x
  3. Step 3: Cross multiply
    57,729.70x = 80,624.75 × 57,729.70
  4. Step 4: Simplify right side
    57,729.70x = 4,654,442,630.08
  5. Step 5: Solve for x
    x = 4,654,442,630.08/57,729.70
  6. Step 6: Final answer
    x = 80,624.75

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.