Home / 74,012.94-111,000.92-29,043.43

Finding the Fourth Proportional to 74,012.94, 111,000.92 and 29,043.43

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Solution

The fourth proportional to 74,012.94, 111,000.92 and 29,043.43 is: 43,557.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,012.94 : 111,000.92 = 29,043.43 : x
  2. Step 2: Convert to fraction form
    74,012.94/111,000.92 = 29,043.43/x
  3. Step 3: Cross multiply
    74,012.94x = 111,000.92 × 29,043.43
  4. Step 4: Simplify right side
    74,012.94x = 3,223,847,027.24
  5. Step 5: Solve for x
    x = 3,223,847,027.24/74,012.94
  6. Step 6: Final answer
    x = 43,557.88

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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.