Home / 78,865.96-108,834.92-50,571.66

Finding the Fourth Proportional to 78,865.96, 108,834.92 and 50,571.66

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Solution

The fourth proportional to 78,865.96, 108,834.92 and 50,571.66 is: 69,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,865.96 : 108,834.92 = 50,571.66 : x
  2. Step 2: Convert to fraction form
    78,865.96/108,834.92 = 50,571.66/x
  3. Step 3: Cross multiply
    78,865.96x = 108,834.92 × 50,571.66
  4. Step 4: Simplify right side
    78,865.96x = 5,503,962,570.37
  5. Step 5: Solve for x
    x = 5,503,962,570.37/78,865.96
  6. Step 6: Final answer
    x = 69,788.82

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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.