Home / 55,554.14-83,339.87-18,105.53

Finding the Fourth Proportional to 55,554.14, 83,339.87 and 18,105.53

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Solution

The fourth proportional to 55,554.14, 83,339.87 and 18,105.53 is: 27,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,554.14 : 83,339.87 = 18,105.53 : x
  2. Step 2: Convert to fraction form
    55,554.14/83,339.87 = 18,105.53/x
  3. Step 3: Cross multiply
    55,554.14x = 83,339.87 × 18,105.53
  4. Step 4: Simplify right side
    55,554.14x = 1,508,912,009.25
  5. Step 5: Solve for x
    x = 1,508,912,009.25/55,554.14
  6. Step 6: Final answer
    x = 27,161.11

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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.