Home / 111,921.96-167,941.26-49,577.88

Finding the Fourth Proportional to 111,921.96, 167,941.26 and 49,577.88

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Solution

The fourth proportional to 111,921.96, 167,941.26 and 49,577.88 is: 74,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,921.96 : 167,941.26 = 49,577.88 : x
  2. Step 2: Convert to fraction form
    111,921.96/167,941.26 = 49,577.88/x
  3. Step 3: Cross multiply
    111,921.96x = 167,941.26 × 49,577.88
  4. Step 4: Simplify right side
    111,921.96x = 8,326,171,635.33
  5. Step 5: Solve for x
    x = 8,326,171,635.33/111,921.96
  6. Step 6: Final answer
    x = 74,392.65

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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.