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Finding the Fourth Proportional to 67,749.20, 101,623.80 and 63,947.60

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Solution

The fourth proportional to 67,749.20, 101,623.80 and 63,947.60 is: 95,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,749.20 : 101,623.80 = 63,947.60 : x
  2. Step 2: Convert to fraction form
    67,749.20/101,623.80 = 63,947.60/x
  3. Step 3: Cross multiply
    67,749.20x = 101,623.80 × 63,947.60
  4. Step 4: Simplify right side
    67,749.20x = 6,498,598,112.88
  5. Step 5: Solve for x
    x = 6,498,598,112.88/67,749.20
  6. Step 6: Final answer
    x = 95,921.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.