Home / 88,508.25-122,146.43-66,665.37

Finding the Fourth Proportional to 88,508.25, 122,146.43 and 66,665.37

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Solution

The fourth proportional to 88,508.25, 122,146.43 and 66,665.37 is: 92,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,508.25 : 122,146.43 = 66,665.37 : x
  2. Step 2: Convert to fraction form
    88,508.25/122,146.43 = 66,665.37/x
  3. Step 3: Cross multiply
    88,508.25x = 122,146.43 × 66,665.37
  4. Step 4: Simplify right side
    88,508.25x = 8,142,936,616.80
  5. Step 5: Solve for x
    x = 8,142,936,616.80/88,508.25
  6. Step 6: Final answer
    x = 92,002.01

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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.