Home / 106,115.82-159,161.58-39,558.12

Finding the Fourth Proportional to 106,115.82, 159,161.58 and 39,558.12

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Solution

The fourth proportional to 106,115.82, 159,161.58 and 39,558.12 is: 59,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,115.82 : 159,161.58 = 39,558.12 : x
  2. Step 2: Convert to fraction form
    106,115.82/159,161.58 = 39,558.12/x
  3. Step 3: Cross multiply
    106,115.82x = 159,161.58 × 39,558.12
  4. Step 4: Simplify right side
    106,115.82x = 6,296,133,290.71
  5. Step 5: Solve for x
    x = 6,296,133,290.71/106,115.82
  6. Step 6: Final answer
    x = 59,332.65

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1.5x scale

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.