Home / 57,812.21-79,781.28-32,319.61

Finding the Fourth Proportional to 57,812.21, 79,781.28 and 32,319.61

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Solution

The fourth proportional to 57,812.21, 79,781.28 and 32,319.61 is: 44,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,812.21 : 79,781.28 = 32,319.61 : x
  2. Step 2: Convert to fraction form
    57,812.21/79,781.28 = 32,319.61/x
  3. Step 3: Cross multiply
    57,812.21x = 79,781.28 × 32,319.61
  4. Step 4: Simplify right side
    57,812.21x = 2,578,499,854.90
  5. Step 5: Solve for x
    x = 2,578,499,854.90/57,812.21
  6. Step 6: Final answer
    x = 44,601.30

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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.