Home / 115,805.45-173,733.75-36,919.68

Finding the Fourth Proportional to 115,805.45, 173,733.75 and 36,919.68

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Solution

The fourth proportional to 115,805.45, 173,733.75 and 36,919.68 is: 55,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,805.45 : 173,733.75 = 36,919.68 : x
  2. Step 2: Convert to fraction form
    115,805.45/173,733.75 = 36,919.68/x
  3. Step 3: Cross multiply
    115,805.45x = 173,733.75 × 36,919.68
  4. Step 4: Simplify right side
    115,805.45x = 6,414,194,455.20
  5. Step 5: Solve for x
    x = 6,414,194,455.20/115,805.45
  6. Step 6: Final answer
    x = 55,387.68

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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.