Home / 57,192.40-78,919.68-32,996.08

Finding the Fourth Proportional to 57,192.40, 78,919.68 and 32,996.08

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Solution

The fourth proportional to 57,192.40, 78,919.68 and 32,996.08 is: 45,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,192.40 : 78,919.68 = 32,996.08 : x
  2. Step 2: Convert to fraction form
    57,192.40/78,919.68 = 32,996.08/x
  3. Step 3: Cross multiply
    57,192.40x = 78,919.68 × 32,996.08
  4. Step 4: Simplify right side
    57,192.40x = 2,604,040,074.85
  5. Step 5: Solve for x
    x = 2,604,040,074.85/57,192.40
  6. Step 6: Final answer
    x = 45,531.23

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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.