Home / 118,961.52-164,168.28-68,676.72

Finding the Fourth Proportional to 118,961.52, 164,168.28 and 68,676.72

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Solution

The fourth proportional to 118,961.52, 164,168.28 and 68,676.72 is: 94,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,961.52 : 164,168.28 = 68,676.72 : x
  2. Step 2: Convert to fraction form
    118,961.52/164,168.28 = 68,676.72/x
  3. Step 3: Cross multiply
    118,961.52x = 164,168.28 × 68,676.72
  4. Step 4: Simplify right side
    118,961.52x = 11,274,538,998.44
  5. Step 5: Solve for x
    x = 11,274,538,998.44/118,961.52
  6. Step 6: Final answer
    x = 94,774.67

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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.