Home / 48,777.06-73,163.96-20,679.04

Finding the Fourth Proportional to 48,777.06, 73,163.96 and 20,679.04

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Solution

The fourth proportional to 48,777.06, 73,163.96 and 20,679.04 is: 31,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,777.06 : 73,163.96 = 20,679.04 : x
  2. Step 2: Convert to fraction form
    48,777.06/73,163.96 = 20,679.04/x
  3. Step 3: Cross multiply
    48,777.06x = 73,163.96 × 20,679.04
  4. Step 4: Simplify right side
    48,777.06x = 1,512,960,455.40
  5. Step 5: Solve for x
    x = 1,512,960,455.40/48,777.06
  6. Step 6: Final answer
    x = 31,017.87

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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.