Home / 85,979.18-118,651.14-50,162.24

Finding the Fourth Proportional to 85,979.18, 118,651.14 and 50,162.24

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Solution

The fourth proportional to 85,979.18, 118,651.14 and 50,162.24 is: 69,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,979.18 : 118,651.14 = 50,162.24 : x
  2. Step 2: Convert to fraction form
    85,979.18/118,651.14 = 50,162.24/x
  3. Step 3: Cross multiply
    85,979.18x = 118,651.14 × 50,162.24
  4. Step 4: Simplify right side
    85,979.18x = 5,951,806,367.70
  5. Step 5: Solve for x
    x = 5,951,806,367.70/85,979.18
  6. Step 6: Final answer
    x = 69,223.81

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1.5x scale

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.