Home / 55,991.20-83,972.22-18,554.62

Finding the Fourth Proportional to 55,991.20, 83,972.22 and 18,554.62

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Solution

The fourth proportional to 55,991.20, 83,972.22 and 18,554.62 is: 27,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,991.20 : 83,972.22 = 18,554.62 : x
  2. Step 2: Convert to fraction form
    55,991.20/83,972.22 = 18,554.62/x
  3. Step 3: Cross multiply
    55,991.20x = 83,972.22 × 18,554.62
  4. Step 4: Simplify right side
    55,991.20x = 1,558,072,632.66
  5. Step 5: Solve for x
    x = 1,558,072,632.66/55,991.20
  6. Step 6: Final answer
    x = 27,827.10

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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.