Home / 111,170.40-166,608.18-58,617.06

Finding the Fourth Proportional to 111,170.40, 166,608.18 and 58,617.06

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Solution

The fourth proportional to 111,170.40, 166,608.18 and 58,617.06 is: 87,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,170.40 : 166,608.18 = 58,617.06 : x
  2. Step 2: Convert to fraction form
    111,170.40/166,608.18 = 58,617.06/x
  3. Step 3: Cross multiply
    111,170.40x = 166,608.18 × 58,617.06
  4. Step 4: Simplify right side
    111,170.40x = 9,766,081,683.55
  5. Step 5: Solve for x
    x = 9,766,081,683.55/111,170.40
  6. Step 6: Final answer
    x = 87,847.86

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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.