Home / 117,463.50-162,099.81-67,163.58

Finding the Fourth Proportional to 117,463.50, 162,099.81 and 67,163.58

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Solution

The fourth proportional to 117,463.50, 162,099.81 and 67,163.58 is: 92,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,463.50 : 162,099.81 = 67,163.58 : x
  2. Step 2: Convert to fraction form
    117,463.50/162,099.81 = 67,163.58/x
  3. Step 3: Cross multiply
    117,463.50x = 162,099.81 × 67,163.58
  4. Step 4: Simplify right side
    117,463.50x = 10,887,203,556.92
  5. Step 5: Solve for x
    x = 10,887,203,556.92/117,463.50
  6. Step 6: Final answer
    x = 92,685.84

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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.