Home / 48,853.13-73,289.21-20,772.86

Finding the Fourth Proportional to 48,853.13, 73,289.21 and 20,772.86

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Solution

The fourth proportional to 48,853.13, 73,289.21 and 20,772.86 is: 31,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,853.13 : 73,289.21 = 20,772.86 : x
  2. Step 2: Convert to fraction form
    48,853.13/73,289.21 = 20,772.86/x
  3. Step 3: Cross multiply
    48,853.13x = 73,289.21 × 20,772.86
  4. Step 4: Simplify right side
    48,853.13x = 1,522,426,028.53
  5. Step 5: Solve for x
    x = 1,522,426,028.53/48,853.13
  6. Step 6: Final answer
    x = 31,163.33

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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.