Home / 55,785.82-83,674.50-18,347.11

Finding the Fourth Proportional to 55,785.82, 83,674.50 and 18,347.11

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Solution

The fourth proportional to 55,785.82, 83,674.50 and 18,347.11 is: 27,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,785.82 : 83,674.50 = 18,347.11 : x
  2. Step 2: Convert to fraction form
    55,785.82/83,674.50 = 18,347.11/x
  3. Step 3: Cross multiply
    55,785.82x = 83,674.50 × 18,347.11
  4. Step 4: Simplify right side
    55,785.82x = 1,535,185,255.70
  5. Step 5: Solve for x
    x = 1,535,185,255.70/55,785.82
  6. Step 6: Final answer
    x = 27,519.27

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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.