Home / 97,968.88-146,974.10-31,455.73

Finding the Fourth Proportional to 97,968.88, 146,974.10 and 31,455.73

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Solution

The fourth proportional to 97,968.88, 146,974.10 and 31,455.73 is: 47,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,968.88 : 146,974.10 = 31,455.73 : x
  2. Step 2: Convert to fraction form
    97,968.88/146,974.10 = 31,455.73/x
  3. Step 3: Cross multiply
    97,968.88x = 146,974.10 × 31,455.73
  4. Step 4: Simplify right side
    97,968.88x = 4,623,177,868.95
  5. Step 5: Solve for x
    x = 4,623,177,868.95/97,968.88
  6. Step 6: Final answer
    x = 47,190.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.