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Finding the Fourth Proportional to 57,245.64, 85,854.47 and 44,734.64

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Solution

The fourth proportional to 57,245.64, 85,854.47 and 44,734.64 is: 67,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,245.64 : 85,854.47 = 44,734.64 : x
  2. Step 2: Convert to fraction form
    57,245.64/85,854.47 = 44,734.64/x
  3. Step 3: Cross multiply
    57,245.64x = 85,854.47 × 44,734.64
  4. Step 4: Simplify right side
    57,245.64x = 3,840,668,315.87
  5. Step 5: Solve for x
    x = 3,840,668,315.87/57,245.64
  6. Step 6: Final answer
    x = 67,091.01

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Why These Related Problems?

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