Home / 76,913.06-115,369.11-41,391.11

Finding the Fourth Proportional to 76,913.06, 115,369.11 and 41,391.11

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Solution

The fourth proportional to 76,913.06, 115,369.11 and 41,391.11 is: 62,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,913.06 : 115,369.11 = 41,391.11 : x
  2. Step 2: Convert to fraction form
    76,913.06/115,369.11 = 41,391.11/x
  3. Step 3: Cross multiply
    76,913.06x = 115,369.11 × 41,391.11
  4. Step 4: Simplify right side
    76,913.06x = 4,775,255,811.03
  5. Step 5: Solve for x
    x = 4,775,255,811.03/76,913.06
  6. Step 6: Final answer
    x = 62,086.41

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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.