Home / 57,813.10-86,701.20-18,360.99

Finding the Fourth Proportional to 57,813.10, 86,701.20 and 18,360.99

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Solution

The fourth proportional to 57,813.10, 86,701.20 and 18,360.99 is: 27,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,813.10 : 86,701.20 = 18,360.99 : x
  2. Step 2: Convert to fraction form
    57,813.10/86,701.20 = 18,360.99/x
  3. Step 3: Cross multiply
    57,813.10x = 86,701.20 × 18,360.99
  4. Step 4: Simplify right side
    57,813.10x = 1,591,919,472.20
  5. Step 5: Solve for x
    x = 1,591,919,472.20/57,813.10
  6. Step 6: Final answer
    x = 27,535.62

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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.