Home / 117,708.39-162,438.60-63,993.44

Finding the Fourth Proportional to 117,708.39, 162,438.60 and 63,993.44

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Solution

The fourth proportional to 117,708.39, 162,438.60 and 63,993.44 is: 88,311.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,708.39 : 162,438.60 = 63,993.44 : x
  2. Step 2: Convert to fraction form
    117,708.39/162,438.60 = 63,993.44/x
  3. Step 3: Cross multiply
    117,708.39x = 162,438.60 × 63,993.44
  4. Step 4: Simplify right side
    117,708.39x = 10,395,003,670.62
  5. Step 5: Solve for x
    x = 10,395,003,670.62/117,708.39
  6. Step 6: Final answer
    x = 88,311.50

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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.