Home / 55,861.94-83,775.14-18,415.03

Finding the Fourth Proportional to 55,861.94, 83,775.14 and 18,415.03

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Solution

The fourth proportional to 55,861.94, 83,775.14 and 18,415.03 is: 27,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,861.94 : 83,775.14 = 18,415.03 : x
  2. Step 2: Convert to fraction form
    55,861.94/83,775.14 = 18,415.03/x
  3. Step 3: Cross multiply
    55,861.94x = 83,775.14 × 18,415.03
  4. Step 4: Simplify right side
    55,861.94x = 1,542,721,716.35
  5. Step 5: Solve for x
    x = 1,542,721,716.35/55,861.94
  6. Step 6: Final answer
    x = 27,616.69

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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.