Home / 78,600.11-108,227.94-59,247.14

Finding the Fourth Proportional to 78,600.11, 108,227.94 and 59,247.14

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Solution

The fourth proportional to 78,600.11, 108,227.94 and 59,247.14 is: 81,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,600.11 : 108,227.94 = 59,247.14 : x
  2. Step 2: Convert to fraction form
    78,600.11/108,227.94 = 59,247.14/x
  3. Step 3: Cross multiply
    78,600.11x = 108,227.94 × 59,247.14
  4. Step 4: Simplify right side
    78,600.11x = 6,412,195,913.09
  5. Step 5: Solve for x
    x = 6,412,195,913.09/78,600.11
  6. Step 6: Final answer
    x = 81,579.99

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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.