Home / 85,936.44-118,593-47,698.64

Finding the Fourth Proportional to 85,936.44, 118,593 and 47,698.64

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Solution

The fourth proportional to 85,936.44, 118,593 and 47,698.64 is: 65,824.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,936.44 : 118,593 = 47,698.64 : x
  2. Step 2: Convert to fraction form
    85,936.44/118,593 = 47,698.64/x
  3. Step 3: Cross multiply
    85,936.44x = 118,593 × 47,698.64
  4. Step 4: Simplify right side
    85,936.44x = 5,656,724,813.52
  5. Step 5: Solve for x
    x = 5,656,724,813.52/85,936.44
  6. Step 6: Final answer
    x = 65,824.52

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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.