Home / 57,118.25-85,756.01-29,057.31

Finding the Fourth Proportional to 57,118.25, 85,756.01 and 29,057.31

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Solution

The fourth proportional to 57,118.25, 85,756.01 and 29,057.31 is: 43,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,118.25 : 85,756.01 = 29,057.31 : x
  2. Step 2: Convert to fraction form
    57,118.25/85,756.01 = 29,057.31/x
  3. Step 3: Cross multiply
    57,118.25x = 85,756.01 × 29,057.31
  4. Step 4: Simplify right side
    57,118.25x = 2,491,838,821.65
  5. Step 5: Solve for x
    x = 2,491,838,821.65/57,118.25
  6. Step 6: Final answer
    x = 43,625.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.