Home / 74,142.03-111,229.45-40,844.96

Finding the Fourth Proportional to 74,142.03, 111,229.45 and 40,844.96

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Solution

The fourth proportional to 74,142.03, 111,229.45 and 40,844.96 is: 61,276.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,142.03 : 111,229.45 = 40,844.96 : x
  2. Step 2: Convert to fraction form
    74,142.03/111,229.45 = 40,844.96/x
  3. Step 3: Cross multiply
    74,142.03x = 111,229.45 × 40,844.96
  4. Step 4: Simplify right side
    74,142.03x = 4,543,162,424.68
  5. Step 5: Solve for x
    x = 4,543,162,424.68/74,142.03
  6. Step 6: Final answer
    x = 61,276.47

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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.