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Finding the Fourth Proportional to 85,843.72, 118,461.04 and 47,604.84

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Solution

The fourth proportional to 85,843.72, 118,461.04 and 47,604.84 is: 65,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,843.72 : 118,461.04 = 47,604.84 : x
  2. Step 2: Convert to fraction form
    85,843.72/118,461.04 = 47,604.84/x
  3. Step 3: Cross multiply
    85,843.72x = 118,461.04 × 47,604.84
  4. Step 4: Simplify right side
    85,843.72x = 5,639,318,855.43
  5. Step 5: Solve for x
    x = 5,639,318,855.43/85,843.72
  6. Step 6: Final answer
    x = 65,692.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.