Home / 110,862.11-166,334.48-66,520.69

Finding the Fourth Proportional to 110,862.11, 166,334.48 and 66,520.69

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Solution

The fourth proportional to 110,862.11, 166,334.48 and 66,520.69 is: 99,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,862.11 : 166,334.48 = 66,520.69 : x
  2. Step 2: Convert to fraction form
    110,862.11/166,334.48 = 66,520.69/x
  3. Step 3: Cross multiply
    110,862.11x = 166,334.48 × 66,520.69
  4. Step 4: Simplify right side
    110,862.11x = 11,064,684,380.39
  5. Step 5: Solve for x
    x = 11,064,684,380.39/110,862.11
  6. Step 6: Final answer
    x = 99,805.83

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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.