Home / 107,750.75-161,626.05-28,862.96

Finding the Fourth Proportional to 107,750.75, 161,626.05 and 28,862.96

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Solution

The fourth proportional to 107,750.75, 161,626.05 and 28,862.96 is: 43,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,750.75 : 161,626.05 = 28,862.96 : x
  2. Step 2: Convert to fraction form
    107,750.75/161,626.05 = 28,862.96/x
  3. Step 3: Cross multiply
    107,750.75x = 161,626.05 × 28,862.96
  4. Step 4: Simplify right side
    107,750.75x = 4,665,005,407.98
  5. Step 5: Solve for x
    x = 4,665,005,407.98/107,750.75
  6. Step 6: Final answer
    x = 43,294.41

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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.