Home / 88,431.75-122,082.89-71,014.73

Finding the Fourth Proportional to 88,431.75, 122,082.89 and 71,014.73

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Solution

The fourth proportional to 88,431.75, 122,082.89 and 71,014.73 is: 98,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,431.75 : 122,082.89 = 71,014.73 : x
  2. Step 2: Convert to fraction form
    88,431.75/122,082.89 = 71,014.73/x
  3. Step 3: Cross multiply
    88,431.75x = 122,082.89 × 71,014.73
  4. Step 4: Simplify right side
    88,431.75x = 8,669,682,505.48
  5. Step 5: Solve for x
    x = 8,669,682,505.48/88,431.75
  6. Step 6: Final answer
    x = 98,038.12

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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.