Home / 57,529.70-86,295.62-15,977.78

Finding the Fourth Proportional to 57,529.70, 86,295.62 and 15,977.78

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Solution

The fourth proportional to 57,529.70, 86,295.62 and 15,977.78 is: 23,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,529.70 : 86,295.62 = 15,977.78 : x
  2. Step 2: Convert to fraction form
    57,529.70/86,295.62 = 15,977.78/x
  3. Step 3: Cross multiply
    57,529.70x = 86,295.62 × 15,977.78
  4. Step 4: Simplify right side
    57,529.70x = 1,378,811,919.96
  5. Step 5: Solve for x
    x = 1,378,811,919.96/57,529.70
  6. Step 6: Final answer
    x = 23,966.96

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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.