Home / 95,318.70-142,979.07-28,759.41

Finding the Fourth Proportional to 95,318.70, 142,979.07 and 28,759.41

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Solution

The fourth proportional to 95,318.70, 142,979.07 and 28,759.41 is: 43,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,318.70 : 142,979.07 = 28,759.41 : x
  2. Step 2: Convert to fraction form
    95,318.70/142,979.07 = 28,759.41/x
  3. Step 3: Cross multiply
    95,318.70x = 142,979.07 × 28,759.41
  4. Step 4: Simplify right side
    95,318.70x = 4,111,993,695.55
  5. Step 5: Solve for x
    x = 4,111,993,695.55/95,318.70
  6. Step 6: Final answer
    x = 43,139.42

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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.