Home / 82,433.16-123,576.48-29,831.04

Finding the Fourth Proportional to 82,433.16, 123,576.48 and 29,831.04

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Solution

The fourth proportional to 82,433.16, 123,576.48 and 29,831.04 is: 44,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,433.16 : 123,576.48 = 29,831.04 : x
  2. Step 2: Convert to fraction form
    82,433.16/123,576.48 = 29,831.04/x
  3. Step 3: Cross multiply
    82,433.16x = 123,576.48 × 29,831.04
  4. Step 4: Simplify right side
    82,433.16x = 3,686,414,917.94
  5. Step 5: Solve for x
    x = 3,686,414,917.94/82,433.16
  6. Step 6: Final answer
    x = 44,720.05

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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.