Home / 82,710.66-123,991.74-30,083.25

Finding the Fourth Proportional to 82,710.66, 123,991.74 and 30,083.25

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Solution

The fourth proportional to 82,710.66, 123,991.74 and 30,083.25 is: 45,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,710.66 : 123,991.74 = 30,083.25 : x
  2. Step 2: Convert to fraction form
    82,710.66/123,991.74 = 30,083.25/x
  3. Step 3: Cross multiply
    82,710.66x = 123,991.74 × 30,083.25
  4. Step 4: Simplify right side
    82,710.66x = 3,730,074,512.36
  5. Step 5: Solve for x
    x = 3,730,074,512.36/82,710.66
  6. Step 6: Final answer
    x = 45,097.87

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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.