Home / 82,731.24-114,170.31-45,005.49

Finding the Fourth Proportional to 82,731.24, 114,170.31 and 45,005.49

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Solution

The fourth proportional to 82,731.24, 114,170.31 and 45,005.49 is: 62,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,731.24 : 114,170.31 = 45,005.49 : x
  2. Step 2: Convert to fraction form
    82,731.24/114,170.31 = 45,005.49/x
  3. Step 3: Cross multiply
    82,731.24x = 114,170.31 × 45,005.49
  4. Step 4: Simplify right side
    82,731.24x = 5,138,290,745.00
  5. Step 5: Solve for x
    x = 5,138,290,745.00/82,731.24
  6. Step 6: Final answer
    x = 62,108.23

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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.