Home / 107,137.43-160,716.85-39,687.62

Finding the Fourth Proportional to 107,137.43, 160,716.85 and 39,687.62

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Solution

The fourth proportional to 107,137.43, 160,716.85 and 39,687.62 is: 59,535.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,137.43 : 160,716.85 = 39,687.62 : x
  2. Step 2: Convert to fraction form
    107,137.43/160,716.85 = 39,687.62/x
  3. Step 3: Cross multiply
    107,137.43x = 160,716.85 × 39,687.62
  4. Step 4: Simplify right side
    107,137.43x = 6,378,468,466.81
  5. Step 5: Solve for x
    x = 6,378,468,466.81/107,137.43
  6. Step 6: Final answer
    x = 59,535.39

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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.