Home / 95,318.94-142,979.44-28,759.66

Finding the Fourth Proportional to 95,318.94, 142,979.44 and 28,759.66

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Solution

The fourth proportional to 95,318.94, 142,979.44 and 28,759.66 is: 43,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,318.94 : 142,979.44 = 28,759.66 : x
  2. Step 2: Convert to fraction form
    95,318.94/142,979.44 = 28,759.66/x
  3. Step 3: Cross multiply
    95,318.94x = 142,979.44 × 28,759.66
  4. Step 4: Simplify right side
    95,318.94x = 4,112,040,081.39
  5. Step 5: Solve for x
    x = 4,112,040,081.39/95,318.94
  6. Step 6: Final answer
    x = 43,139.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.