Home / 231,933.45-347,949.78-72,005.88

Finding the Fourth Proportional to 231,933.45, 347,949.78 and 72,005.88

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Solution

The fourth proportional to 231,933.45, 347,949.78 and 72,005.88 is: 108,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,933.45 : 347,949.78 = 72,005.88 : x
  2. Step 2: Convert to fraction form
    231,933.45/347,949.78 = 72,005.88/x
  3. Step 3: Cross multiply
    231,933.45x = 347,949.78 × 72,005.88
  4. Step 4: Simplify right side
    231,933.45x = 25,054,430,104.71
  5. Step 5: Solve for x
    x = 25,054,430,104.71/231,933.45
  6. Step 6: Final answer
    x = 108,024.22

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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.