Home / 111,778.15-167,631.66-36,884.34

Finding the Fourth Proportional to 111,778.15, 167,631.66 and 36,884.34

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Solution

The fourth proportional to 111,778.15, 167,631.66 and 36,884.34 is: 55,314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,778.15 : 167,631.66 = 36,884.34 : x
  2. Step 2: Convert to fraction form
    111,778.15/167,631.66 = 36,884.34/x
  3. Step 3: Cross multiply
    111,778.15x = 167,631.66 × 36,884.34
  4. Step 4: Simplify right side
    111,778.15x = 6,182,982,304.05
  5. Step 5: Solve for x
    x = 6,182,982,304.05/111,778.15
  6. Step 6: Final answer
    x = 55,314.77

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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.