Home / 117,850.20-162,629.88-64,134

Finding the Fourth Proportional to 117,850.20, 162,629.88 and 64,134

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Solution

The fourth proportional to 117,850.20, 162,629.88 and 64,134 is: 88,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,850.20 : 162,629.88 = 64,134 : x
  2. Step 2: Convert to fraction form
    117,850.20/162,629.88 = 64,134/x
  3. Step 3: Cross multiply
    117,850.20x = 162,629.88 × 64,134
  4. Step 4: Simplify right side
    117,850.20x = 10,430,104,723.92
  5. Step 5: Solve for x
    x = 10,430,104,723.92/117,850.20
  6. Step 6: Final answer
    x = 88,503.07

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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.