Home / 103,933.06-155,940.78-54,044.62

Finding the Fourth Proportional to 103,933.06, 155,940.78 and 54,044.62

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Solution

The fourth proportional to 103,933.06, 155,940.78 and 54,044.62 is: 81,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,933.06 : 155,940.78 = 54,044.62 : x
  2. Step 2: Convert to fraction form
    103,933.06/155,940.78 = 54,044.62/x
  3. Step 3: Cross multiply
    103,933.06x = 155,940.78 × 54,044.62
  4. Step 4: Simplify right side
    103,933.06x = 8,427,760,197.60
  5. Step 5: Solve for x
    x = 8,427,760,197.60/103,933.06
  6. Step 6: Final answer
    x = 81,088.35

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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.