Home / 73,982.50-102,098.37-40,450.66

Finding the Fourth Proportional to 73,982.50, 102,098.37 and 40,450.66

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Solution

The fourth proportional to 73,982.50, 102,098.37 and 40,450.66 is: 55,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,982.50 : 102,098.37 = 40,450.66 : x
  2. Step 2: Convert to fraction form
    73,982.50/102,098.37 = 40,450.66/x
  3. Step 3: Cross multiply
    73,982.50x = 102,098.37 × 40,450.66
  4. Step 4: Simplify right side
    73,982.50x = 4,129,946,451.42
  5. Step 5: Solve for x
    x = 4,129,946,451.42/73,982.50
  6. Step 6: Final answer
    x = 55,823.29

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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.