Home / 111,020.62-166,585.60-51,847.70

Finding the Fourth Proportional to 111,020.62, 166,585.60 and 51,847.70

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Solution

The fourth proportional to 111,020.62, 166,585.60 and 51,847.70 is: 77,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,020.62 : 166,585.60 = 51,847.70 : x
  2. Step 2: Convert to fraction form
    111,020.62/166,585.60 = 51,847.70/x
  3. Step 3: Cross multiply
    111,020.62x = 166,585.60 × 51,847.70
  4. Step 4: Simplify right side
    111,020.62x = 8,637,080,213.12
  5. Step 5: Solve for x
    x = 8,637,080,213.12/111,020.62
  6. Step 6: Final answer
    x = 77,797.08

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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.