Home / 84,179.26-116,187.26-48,390.04

Finding the Fourth Proportional to 84,179.26, 116,187.26 and 48,390.04

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Solution

The fourth proportional to 84,179.26, 116,187.26 and 48,390.04 is: 66,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,179.26 : 116,187.26 = 48,390.04 : x
  2. Step 2: Convert to fraction form
    84,179.26/116,187.26 = 48,390.04/x
  3. Step 3: Cross multiply
    84,179.26x = 116,187.26 × 48,390.04
  4. Step 4: Simplify right side
    84,179.26x = 5,622,306,158.89
  5. Step 5: Solve for x
    x = 5,622,306,158.89/84,179.26
  6. Step 6: Final answer
    x = 66,789.68

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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.