Home / 86,778.96-119,755.84-50,969.56

Finding the Fourth Proportional to 86,778.96, 119,755.84 and 50,969.56

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Solution

The fourth proportional to 86,778.96, 119,755.84 and 50,969.56 is: 70,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,778.96 : 119,755.84 = 50,969.56 : x
  2. Step 2: Convert to fraction form
    86,778.96/119,755.84 = 50,969.56/x
  3. Step 3: Cross multiply
    86,778.96x = 119,755.84 × 50,969.56
  4. Step 4: Simplify right side
    86,778.96x = 6,103,902,472.23
  5. Step 5: Solve for x
    x = 6,103,902,472.23/86,778.96
  6. Step 6: Final answer
    x = 70,338.51

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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.