Home / 52,520.96-72,505.68-40,557.44

Finding the Fourth Proportional to 52,520.96, 72,505.68 and 40,557.44

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Solution

The fourth proportional to 52,520.96, 72,505.68 and 40,557.44 is: 55,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,520.96 : 72,505.68 = 40,557.44 : x
  2. Step 2: Convert to fraction form
    52,520.96/72,505.68 = 40,557.44/x
  3. Step 3: Cross multiply
    52,520.96x = 72,505.68 × 40,557.44
  4. Step 4: Simplify right side
    52,520.96x = 2,940,644,766.26
  5. Step 5: Solve for x
    x = 2,940,644,766.26/52,520.96
  6. Step 6: Final answer
    x = 55,989.93

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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.