Home / 52,380.54-72,286.77-29,720.49

Finding the Fourth Proportional to 52,380.54, 72,286.77 and 29,720.49

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Solution

The fourth proportional to 52,380.54, 72,286.77 and 29,720.49 is: 41,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,380.54 : 72,286.77 = 29,720.49 : x
  2. Step 2: Convert to fraction form
    52,380.54/72,286.77 = 29,720.49/x
  3. Step 3: Cross multiply
    52,380.54x = 72,286.77 × 29,720.49
  4. Step 4: Simplify right side
    52,380.54x = 2,148,398,224.92
  5. Step 5: Solve for x
    x = 2,148,398,224.92/52,380.54
  6. Step 6: Final answer
    x = 41,015.20

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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.