Home / 74,451.06-111,697.44-30,108.96

Finding the Fourth Proportional to 74,451.06, 111,697.44 and 30,108.96

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Solution

The fourth proportional to 74,451.06, 111,697.44 and 30,108.96 is: 45,171.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,451.06 : 111,697.44 = 30,108.96 : x
  2. Step 2: Convert to fraction form
    74,451.06/111,697.44 = 30,108.96/x
  3. Step 3: Cross multiply
    74,451.06x = 111,697.44 × 30,108.96
  4. Step 4: Simplify right side
    74,451.06x = 3,363,093,753.06
  5. Step 5: Solve for x
    x = 3,363,093,753.06/74,451.06
  6. Step 6: Final answer
    x = 45,171.87

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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.