Home / 77,187.06-115,766.82-41,631.84

Finding the Fourth Proportional to 77,187.06, 115,766.82 and 41,631.84

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Solution

The fourth proportional to 77,187.06, 115,766.82 and 41,631.84 is: 62,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,187.06 : 115,766.82 = 41,631.84 : x
  2. Step 2: Convert to fraction form
    77,187.06/115,766.82 = 41,631.84/x
  3. Step 3: Cross multiply
    77,187.06x = 115,766.82 × 41,631.84
  4. Step 4: Simplify right side
    77,187.06x = 4,819,585,727.55
  5. Step 5: Solve for x
    x = 4,819,585,727.55/77,187.06
  6. Step 6: Final answer
    x = 62,440.33

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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.