Home / 57,010.11-78,649.22-32,805.90

Finding the Fourth Proportional to 57,010.11, 78,649.22 and 32,805.90

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Solution

The fourth proportional to 57,010.11, 78,649.22 and 32,805.90 is: 45,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,010.11 : 78,649.22 = 32,805.90 : x
  2. Step 2: Convert to fraction form
    57,010.11/78,649.22 = 32,805.90/x
  3. Step 3: Cross multiply
    57,010.11x = 78,649.22 × 32,805.90
  4. Step 4: Simplify right side
    57,010.11x = 2,580,158,282.37
  5. Step 5: Solve for x
    x = 2,580,158,282.37/57,010.11
  6. Step 6: Final answer
    x = 45,257.91

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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.