Home / 52,723.50-72,755.38-28,850.64

Finding the Fourth Proportional to 52,723.50, 72,755.38 and 28,850.64

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Solution

The fourth proportional to 52,723.50, 72,755.38 and 28,850.64 is: 39,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,723.50 : 72,755.38 = 28,850.64 : x
  2. Step 2: Convert to fraction form
    52,723.50/72,755.38 = 28,850.64/x
  3. Step 3: Cross multiply
    52,723.50x = 72,755.38 × 28,850.64
  4. Step 4: Simplify right side
    52,723.50x = 2,099,039,276.44
  5. Step 5: Solve for x
    x = 2,099,039,276.44/52,723.50
  6. Step 6: Final answer
    x = 39,812.21

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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.