Home / 69,380.91-103,983.75-57,833.55

Finding the Fourth Proportional to 69,380.91, 103,983.75 and 57,833.55

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Solution

The fourth proportional to 69,380.91, 103,983.75 and 57,833.55 is: 86,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,380.91 : 103,983.75 = 57,833.55 : x
  2. Step 2: Convert to fraction form
    69,380.91/103,983.75 = 57,833.55/x
  3. Step 3: Cross multiply
    69,380.91x = 103,983.75 × 57,833.55
  4. Step 4: Simplify right side
    69,380.91x = 6,013,749,404.81
  5. Step 5: Solve for x
    x = 6,013,749,404.81/69,380.91
  6. Step 6: Final answer
    x = 86,677.29

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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.