Home / 80,038.44-110,453.39-43,740.61

Finding the Fourth Proportional to 80,038.44, 110,453.39 and 43,740.61

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Solution

The fourth proportional to 80,038.44, 110,453.39 and 43,740.61 is: 60,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,038.44 : 110,453.39 = 43,740.61 : x
  2. Step 2: Convert to fraction form
    80,038.44/110,453.39 = 43,740.61/x
  3. Step 3: Cross multiply
    80,038.44x = 110,453.39 × 43,740.61
  4. Step 4: Simplify right side
    80,038.44x = 4,831,298,324.36
  5. Step 5: Solve for x
    x = 4,831,298,324.36/80,038.44
  6. Step 6: Final answer
    x = 60,362.23

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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.