Home / 57,649.15-79,562.55-33,775.31

Finding the Fourth Proportional to 57,649.15, 79,562.55 and 33,775.31

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Solution

The fourth proportional to 57,649.15, 79,562.55 and 33,775.31 is: 46,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,649.15 : 79,562.55 = 33,775.31 : x
  2. Step 2: Convert to fraction form
    57,649.15/79,562.55 = 33,775.31/x
  3. Step 3: Cross multiply
    57,649.15x = 79,562.55 × 33,775.31
  4. Step 4: Simplify right side
    57,649.15x = 2,687,250,116.20
  5. Step 5: Solve for x
    x = 2,687,250,116.20/57,649.15
  6. Step 6: Final answer
    x = 46,613.87

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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.