Home / 85,723.73-118,287.54-49,426.54

Finding the Fourth Proportional to 85,723.73, 118,287.54 and 49,426.54

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Solution

The fourth proportional to 85,723.73, 118,287.54 and 49,426.54 is: 68,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,723.73 : 118,287.54 = 49,426.54 : x
  2. Step 2: Convert to fraction form
    85,723.73/118,287.54 = 49,426.54/x
  3. Step 3: Cross multiply
    85,723.73x = 118,287.54 × 49,426.54
  4. Step 4: Simplify right side
    85,723.73x = 5,846,543,531.59
  5. Step 5: Solve for x
    x = 5,846,543,531.59/85,723.73
  6. Step 6: Final answer
    x = 68,202.16

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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.