Home / 57,709.28-79,642.82-32,220.66

Finding the Fourth Proportional to 57,709.28, 79,642.82 and 32,220.66

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Solution

The fourth proportional to 57,709.28, 79,642.82 and 32,220.66 is: 44,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,709.28 : 79,642.82 = 32,220.66 : x
  2. Step 2: Convert to fraction form
    57,709.28/79,642.82 = 32,220.66/x
  3. Step 3: Cross multiply
    57,709.28x = 79,642.82 × 32,220.66
  4. Step 4: Simplify right side
    57,709.28x = 2,566,144,224.66
  5. Step 5: Solve for x
    x = 2,566,144,224.66/57,709.28
  6. Step 6: Final answer
    x = 44,466.75

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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.