Home / 103,821.75-155,758.64-29,949.75

Finding the Fourth Proportional to 103,821.75, 155,758.64 and 29,949.75

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Solution

The fourth proportional to 103,821.75, 155,758.64 and 29,949.75 is: 44,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,821.75 : 155,758.64 = 29,949.75 : x
  2. Step 2: Convert to fraction form
    103,821.75/155,758.64 = 29,949.75/x
  3. Step 3: Cross multiply
    103,821.75x = 155,758.64 × 29,949.75
  4. Step 4: Simplify right side
    103,821.75x = 4,664,932,328.34
  5. Step 5: Solve for x
    x = 4,664,932,328.34/103,821.75
  6. Step 6: Final answer
    x = 44,932.13

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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.