Home / 95,583.78-131,912.55-57,344.99

Finding the Fourth Proportional to 95,583.78, 131,912.55 and 57,344.99

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Solution

The fourth proportional to 95,583.78, 131,912.55 and 57,344.99 is: 79,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,583.78 : 131,912.55 = 57,344.99 : x
  2. Step 2: Convert to fraction form
    95,583.78/131,912.55 = 57,344.99/x
  3. Step 3: Cross multiply
    95,583.78x = 131,912.55 × 57,344.99
  4. Step 4: Simplify right side
    95,583.78x = 7,564,523,201.06
  5. Step 5: Solve for x
    x = 7,564,523,201.06/95,583.78
  6. Step 6: Final answer
    x = 79,140.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.