Home / 82,771.10-114,223.06-48,781.04

Finding the Fourth Proportional to 82,771.10, 114,223.06 and 48,781.04

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Solution

The fourth proportional to 82,771.10, 114,223.06 and 48,781.04 is: 67,317.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,771.10 : 114,223.06 = 48,781.04 : x
  2. Step 2: Convert to fraction form
    82,771.10/114,223.06 = 48,781.04/x
  3. Step 3: Cross multiply
    82,771.10x = 114,223.06 × 48,781.04
  4. Step 4: Simplify right side
    82,771.10x = 5,571,919,148.64
  5. Step 5: Solve for x
    x = 5,571,919,148.64/82,771.10
  6. Step 6: Final answer
    x = 67,317.21

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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.