Home / 88,472.18-122,096.70-66,629.34

Finding the Fourth Proportional to 88,472.18, 122,096.70 and 66,629.34

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Solution

The fourth proportional to 88,472.18, 122,096.70 and 66,629.34 is: 91,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,472.18 : 122,096.70 = 66,629.34 : x
  2. Step 2: Convert to fraction form
    88,472.18/122,096.70 = 66,629.34/x
  3. Step 3: Cross multiply
    88,472.18x = 122,096.70 × 66,629.34
  4. Step 4: Simplify right side
    88,472.18x = 8,135,222,537.18
  5. Step 5: Solve for x
    x = 8,135,222,537.18/88,472.18
  6. Step 6: Final answer
    x = 91,952.33

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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.