Home / 82,731.22-114,168.34-45,005.46

Finding the Fourth Proportional to 82,731.22, 114,168.34 and 45,005.46

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Solution

The fourth proportional to 82,731.22, 114,168.34 and 45,005.46 is: 62,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,731.22 : 114,168.34 = 45,005.46 : x
  2. Step 2: Convert to fraction form
    82,731.22/114,168.34 = 45,005.46/x
  3. Step 3: Cross multiply
    82,731.22x = 114,168.34 × 45,005.46
  4. Step 4: Simplify right side
    82,731.22x = 5,138,198,659.14
  5. Step 5: Solve for x
    x = 5,138,198,659.14/82,731.22
  6. Step 6: Final answer
    x = 62,107.13

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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.