Home / 103,668.36-155,535.39-37,107

Finding the Fourth Proportional to 103,668.36, 155,535.39 and 37,107

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Solution

The fourth proportional to 103,668.36, 155,535.39 and 37,107 is: 55,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,668.36 : 155,535.39 = 37,107 : x
  2. Step 2: Convert to fraction form
    103,668.36/155,535.39 = 37,107/x
  3. Step 3: Cross multiply
    103,668.36x = 155,535.39 × 37,107
  4. Step 4: Simplify right side
    103,668.36x = 5,771,451,716.73
  5. Step 5: Solve for x
    x = 5,771,451,716.73/103,668.36
  6. Step 6: Final answer
    x = 55,672.26

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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.