Home / 48,777.09-73,163.94-20,679.04

Finding the Fourth Proportional to 48,777.09, 73,163.94 and 20,679.04

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Solution

The fourth proportional to 48,777.09, 73,163.94 and 20,679.04 is: 31,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,777.09 : 73,163.94 = 20,679.04 : x
  2. Step 2: Convert to fraction form
    48,777.09/73,163.94 = 20,679.04/x
  3. Step 3: Cross multiply
    48,777.09x = 73,163.94 × 20,679.04
  4. Step 4: Simplify right side
    48,777.09x = 1,512,960,041.82
  5. Step 5: Solve for x
    x = 1,512,960,041.82/48,777.09
  6. Step 6: Final answer
    x = 31,017.84

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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.