Home / 74,253.66-111,380.46-21,667.38

Finding the Fourth Proportional to 74,253.66, 111,380.46 and 21,667.38

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Solution

The fourth proportional to 74,253.66, 111,380.46 and 21,667.38 is: 32,501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,253.66 : 111,380.46 = 21,667.38 : x
  2. Step 2: Convert to fraction form
    74,253.66/111,380.46 = 21,667.38/x
  3. Step 3: Cross multiply
    74,253.66x = 111,380.46 × 21,667.38
  4. Step 4: Simplify right side
    74,253.66x = 2,413,322,751.39
  5. Step 5: Solve for x
    x = 2,413,322,751.39/74,253.66
  6. Step 6: Final answer
    x = 32,501.06

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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.