Home / 74,195.78-111,292.66-18,035.72

Finding the Fourth Proportional to 74,195.78, 111,292.66 and 18,035.72

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Solution

The fourth proportional to 74,195.78, 111,292.66 and 18,035.72 is: 27,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,195.78 : 111,292.66 = 18,035.72 : x
  2. Step 2: Convert to fraction form
    74,195.78/111,292.66 = 18,035.72/x
  3. Step 3: Cross multiply
    74,195.78x = 111,292.66 × 18,035.72
  4. Step 4: Simplify right side
    74,195.78x = 2,007,243,253.82
  5. Step 5: Solve for x
    x = 2,007,243,253.82/74,195.78
  6. Step 6: Final answer
    x = 27,053.33

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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.