Home / 55,288.36-82,934.70-13,736.44

Finding the Fourth Proportional to 55,288.36, 82,934.70 and 13,736.44

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Solution

The fourth proportional to 55,288.36, 82,934.70 and 13,736.44 is: 20,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,288.36 : 82,934.70 = 13,736.44 : x
  2. Step 2: Convert to fraction form
    55,288.36/82,934.70 = 13,736.44/x
  3. Step 3: Cross multiply
    55,288.36x = 82,934.70 × 13,736.44
  4. Step 4: Simplify right side
    55,288.36x = 1,139,227,530.47
  5. Step 5: Solve for x
    x = 1,139,227,530.47/55,288.36
  6. Step 6: Final answer
    x = 20,605.20

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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.