Home / 74,034.45-111,043.49-21,443.94

Finding the Fourth Proportional to 74,034.45, 111,043.49 and 21,443.94

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Solution

The fourth proportional to 74,034.45, 111,043.49 and 21,443.94 is: 32,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,034.45 : 111,043.49 = 21,443.94 : x
  2. Step 2: Convert to fraction form
    74,034.45/111,043.49 = 21,443.94/x
  3. Step 3: Cross multiply
    74,034.45x = 111,043.49 × 21,443.94
  4. Step 4: Simplify right side
    74,034.45x = 2,381,209,829.73
  5. Step 5: Solve for x
    x = 2,381,209,829.73/74,034.45
  6. Step 6: Final answer
    x = 32,163.54

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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.