Home / 56,489.28-77,958.90-32,616.96

Finding the Fourth Proportional to 56,489.28, 77,958.90 and 32,616.96

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Solution

The fourth proportional to 56,489.28, 77,958.90 and 32,616.96 is: 45,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489.28 : 77,958.90 = 32,616.96 : x
  2. Step 2: Convert to fraction form
    56,489.28/77,958.90 = 32,616.96/x
  3. Step 3: Cross multiply
    56,489.28x = 77,958.90 × 32,616.96
  4. Step 4: Simplify right side
    56,489.28x = 2,542,782,322.94
  5. Step 5: Solve for x
    x = 2,542,782,322.94/56,489.28
  6. Step 6: Final answer
    x = 45,013.54

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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.