Home / 78,983.06-108,989.24-44,993.44

Finding the Fourth Proportional to 78,983.06, 108,989.24 and 44,993.44

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Solution

The fourth proportional to 78,983.06, 108,989.24 and 44,993.44 is: 62,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,983.06 : 108,989.24 = 44,993.44 : x
  2. Step 2: Convert to fraction form
    78,983.06/108,989.24 = 44,993.44/x
  3. Step 3: Cross multiply
    78,983.06x = 108,989.24 × 44,993.44
  4. Step 4: Simplify right side
    78,983.06x = 4,903,800,830.59
  5. Step 5: Solve for x
    x = 4,903,800,830.59/78,983.06
  6. Step 6: Final answer
    x = 62,086.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.