Home / 86,299.75-119,032.30-57,604.94

Finding the Fourth Proportional to 86,299.75, 119,032.30 and 57,604.94

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Solution

The fourth proportional to 86,299.75, 119,032.30 and 57,604.94 is: 79,453.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,299.75 : 119,032.30 = 57,604.94 : x
  2. Step 2: Convert to fraction form
    86,299.75/119,032.30 = 57,604.94/x
  3. Step 3: Cross multiply
    86,299.75x = 119,032.30 × 57,604.94
  4. Step 4: Simplify right side
    86,299.75x = 6,856,848,499.56
  5. Step 5: Solve for x
    x = 6,856,848,499.56/86,299.75
  6. Step 6: Final answer
    x = 79,453.86

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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.