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Finding the Fourth Proportional to 67,701.60, 101,552.40 and 28,245.60

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Solution

The fourth proportional to 67,701.60, 101,552.40 and 28,245.60 is: 42,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,701.60 : 101,552.40 = 28,245.60 : x
  2. Step 2: Convert to fraction form
    67,701.60/101,552.40 = 28,245.60/x
  3. Step 3: Cross multiply
    67,701.60x = 101,552.40 × 28,245.60
  4. Step 4: Simplify right side
    67,701.60x = 2,868,408,469.44
  5. Step 5: Solve for x
    x = 2,868,408,469.44/67,701.60
  6. Step 6: Final answer
    x = 42,368.40

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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.