Home / 88,463.43-122,084.66-66,620.59

Finding the Fourth Proportional to 88,463.43, 122,084.66 and 66,620.59

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Solution

The fourth proportional to 88,463.43, 122,084.66 and 66,620.59 is: 91,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,463.43 : 122,084.66 = 66,620.59 : x
  2. Step 2: Convert to fraction form
    88,463.43/122,084.66 = 66,620.59/x
  3. Step 3: Cross multiply
    88,463.43x = 122,084.66 × 66,620.59
  4. Step 4: Simplify right side
    88,463.43x = 8,133,352,079.15
  5. Step 5: Solve for x
    x = 8,133,352,079.15/88,463.43
  6. Step 6: Final answer
    x = 91,940.27

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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.