Home / 76,935.88-115,403.82-41,943.88

Finding the Fourth Proportional to 76,935.88, 115,403.82 and 41,943.88

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Solution

The fourth proportional to 76,935.88, 115,403.82 and 41,943.88 is: 62,915.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,935.88 : 115,403.82 = 41,943.88 : x
  2. Step 2: Convert to fraction form
    76,935.88/115,403.82 = 41,943.88/x
  3. Step 3: Cross multiply
    76,935.88x = 115,403.82 × 41,943.88
  4. Step 4: Simplify right side
    76,935.88x = 4,840,483,977.62
  5. Step 5: Solve for x
    x = 4,840,483,977.62/76,935.88
  6. Step 6: Final answer
    x = 62,915.82

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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.