Home / 104,074.56-143,660.16-61,633.44

Finding the Fourth Proportional to 104,074.56, 143,660.16 and 61,633.44

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Solution

The fourth proportional to 104,074.56, 143,660.16 and 61,633.44 is: 85,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,074.56 : 143,660.16 = 61,633.44 : x
  2. Step 2: Convert to fraction form
    104,074.56/143,660.16 = 61,633.44/x
  3. Step 3: Cross multiply
    104,074.56x = 143,660.16 × 61,633.44
  4. Step 4: Simplify right side
    104,074.56x = 8,854,269,851.75
  5. Step 5: Solve for x
    x = 8,854,269,851.75/104,074.56
  6. Step 6: Final answer
    x = 85,076.22

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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.