Home / 66,169.54-91,318.05-37,874.58

Finding the Fourth Proportional to 66,169.54, 91,318.05 and 37,874.58

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Solution

The fourth proportional to 66,169.54, 91,318.05 and 37,874.58 is: 52,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,169.54 : 91,318.05 = 37,874.58 : x
  2. Step 2: Convert to fraction form
    66,169.54/91,318.05 = 37,874.58/x
  3. Step 3: Cross multiply
    66,169.54x = 91,318.05 × 37,874.58
  4. Step 4: Simplify right side
    66,169.54x = 3,458,632,790.17
  5. Step 5: Solve for x
    x = 3,458,632,790.17/66,169.54
  6. Step 6: Final answer
    x = 52,269.26

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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.