Home / 118,086.44-162,951.14-66,411.28

Finding the Fourth Proportional to 118,086.44, 162,951.14 and 66,411.28

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Solution

The fourth proportional to 118,086.44, 162,951.14 and 66,411.28 is: 91,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,086.44 : 162,951.14 = 66,411.28 : x
  2. Step 2: Convert to fraction form
    118,086.44/162,951.14 = 66,411.28/x
  3. Step 3: Cross multiply
    118,086.44x = 162,951.14 × 66,411.28
  4. Step 4: Simplify right side
    118,086.44x = 10,821,792,638.05
  5. Step 5: Solve for x
    x = 10,821,792,638.05/118,086.44
  6. Step 6: Final answer
    x = 91,642.97

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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.