Home / 52,145.96-71,961.08-28,272.56

Finding the Fourth Proportional to 52,145.96, 71,961.08 and 28,272.56

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Solution

The fourth proportional to 52,145.96, 71,961.08 and 28,272.56 is: 39,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145.96 : 71,961.08 = 28,272.56 : x
  2. Step 2: Convert to fraction form
    52,145.96/71,961.08 = 28,272.56/x
  3. Step 3: Cross multiply
    52,145.96x = 71,961.08 × 28,272.56
  4. Step 4: Simplify right side
    52,145.96x = 2,034,523,951.96
  5. Step 5: Solve for x
    x = 2,034,523,951.96/52,145.96
  6. Step 6: Final answer
    x = 39,015.95

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1.5x scale

Why These Related Problems?

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