Home / 55,287.36-82,933.20-13,735.44

Finding the Fourth Proportional to 55,287.36, 82,933.20 and 13,735.44

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Solution

The fourth proportional to 55,287.36, 82,933.20 and 13,735.44 is: 20,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,287.36 : 82,933.20 = 13,735.44 : x
  2. Step 2: Convert to fraction form
    55,287.36/82,933.20 = 13,735.44/x
  3. Step 3: Cross multiply
    55,287.36x = 82,933.20 × 13,735.44
  4. Step 4: Simplify right side
    55,287.36x = 1,139,123,992.61
  5. Step 5: Solve for x
    x = 1,139,123,992.61/55,287.36
  6. Step 6: Final answer
    x = 20,603.70

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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.