Home / 52,723.52-72,758.46-28,850.20

Finding the Fourth Proportional to 52,723.52, 72,758.46 and 28,850.20

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Solution

The fourth proportional to 52,723.52, 72,758.46 and 28,850.20 is: 39,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,723.52 : 72,758.46 = 28,850.20 : x
  2. Step 2: Convert to fraction form
    52,723.52/72,758.46 = 28,850.20/x
  3. Step 3: Cross multiply
    52,723.52x = 72,758.46 × 28,850.20
  4. Step 4: Simplify right side
    52,723.52x = 2,099,095,614.65
  5. Step 5: Solve for x
    x = 2,099,095,614.65/52,723.52
  6. Step 6: Final answer
    x = 39,813.27

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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.