Home / 85,752.62-118,342.26-49,936.86

Finding the Fourth Proportional to 85,752.62, 118,342.26 and 49,936.86

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Solution

The fourth proportional to 85,752.62, 118,342.26 and 49,936.86 is: 68,914.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,752.62 : 118,342.26 = 49,936.86 : x
  2. Step 2: Convert to fraction form
    85,752.62/118,342.26 = 49,936.86/x
  3. Step 3: Cross multiply
    85,752.62x = 118,342.26 × 49,936.86
  4. Step 4: Simplify right side
    85,752.62x = 5,909,640,869.70
  5. Step 5: Solve for x
    x = 5,909,640,869.70/85,752.62
  6. Step 6: Final answer
    x = 68,914.99

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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.