Home / 110,919.42-166,376.70-47,781.54

Finding the Fourth Proportional to 110,919.42, 166,376.70 and 47,781.54

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Solution

The fourth proportional to 110,919.42, 166,376.70 and 47,781.54 is: 71,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,919.42 : 166,376.70 = 47,781.54 : x
  2. Step 2: Convert to fraction form
    110,919.42/166,376.70 = 47,781.54/x
  3. Step 3: Cross multiply
    110,919.42x = 166,376.70 × 47,781.54
  4. Step 4: Simplify right side
    110,919.42x = 7,949,734,946.12
  5. Step 5: Solve for x
    x = 7,949,734,946.12/110,919.42
  6. Step 6: Final answer
    x = 71,671.26

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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.