Home / 77,543.26-116,310.94-21,383.87

Finding the Fourth Proportional to 77,543.26, 116,310.94 and 21,383.87

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Solution

The fourth proportional to 77,543.26, 116,310.94 and 21,383.87 is: 32,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,543.26 : 116,310.94 = 21,383.87 : x
  2. Step 2: Convert to fraction form
    77,543.26/116,310.94 = 21,383.87/x
  3. Step 3: Cross multiply
    77,543.26x = 116,310.94 × 21,383.87
  4. Step 4: Simplify right side
    77,543.26x = 2,487,177,385.52
  5. Step 5: Solve for x
    x = 2,487,177,385.52/77,543.26
  6. Step 6: Final answer
    x = 32,074.71

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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.