Home / 115,858.49-173,790.78-36,972.65

Finding the Fourth Proportional to 115,858.49, 173,790.78 and 36,972.65

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Solution

The fourth proportional to 115,858.49, 173,790.78 and 36,972.65 is: 55,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,858.49 : 173,790.78 = 36,972.65 : x
  2. Step 2: Convert to fraction form
    115,858.49/173,790.78 = 36,972.65/x
  3. Step 3: Cross multiply
    115,858.49x = 173,790.78 × 36,972.65
  4. Step 4: Simplify right side
    115,858.49x = 6,425,504,813.21
  5. Step 5: Solve for x
    x = 6,425,504,813.21/115,858.49
  6. Step 6: Final answer
    x = 55,459.94

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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.