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Finding the Fourth Proportional to 88,745.88, 122,474.31 and 48,463.38

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Solution

The fourth proportional to 88,745.88, 122,474.31 and 48,463.38 is: 66,882.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,745.88 : 122,474.31 = 48,463.38 : x
  2. Step 2: Convert to fraction form
    88,745.88/122,474.31 = 48,463.38/x
  3. Step 3: Cross multiply
    88,745.88x = 122,474.31 × 48,463.38
  4. Step 4: Simplify right side
    88,745.88x = 5,935,519,025.77
  5. Step 5: Solve for x
    x = 5,935,519,025.77/88,745.88
  6. Step 6: Final answer
    x = 66,882.19

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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.