Home / 74,035.06-111,053.44-20,723.86

Finding the Fourth Proportional to 74,035.06, 111,053.44 and 20,723.86

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Solution

The fourth proportional to 74,035.06, 111,053.44 and 20,723.86 is: 31,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,035.06 : 111,053.44 = 20,723.86 : x
  2. Step 2: Convert to fraction form
    74,035.06/111,053.44 = 20,723.86/x
  3. Step 3: Cross multiply
    74,035.06x = 111,053.44 × 20,723.86
  4. Step 4: Simplify right side
    74,035.06x = 2,301,456,107.80
  5. Step 5: Solve for x
    x = 2,301,456,107.80/74,035.06
  6. Step 6: Final answer
    x = 31,086.03

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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.