Home / 118,084.32-162,917.28-67,091.04

Finding the Fourth Proportional to 118,084.32, 162,917.28 and 67,091.04

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Solution

The fourth proportional to 118,084.32, 162,917.28 and 67,091.04 is: 92,563.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,084.32 : 162,917.28 = 67,091.04 : x
  2. Step 2: Convert to fraction form
    118,084.32/162,917.28 = 67,091.04/x
  3. Step 3: Cross multiply
    118,084.32x = 162,917.28 × 67,091.04
  4. Step 4: Simplify right side
    118,084.32x = 10,930,289,749.17
  5. Step 5: Solve for x
    x = 10,930,289,749.17/118,084.32
  6. Step 6: Final answer
    x = 92,563.43

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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.