Home / 215,821.29-323,732.07-58,065.69

Finding the Fourth Proportional to 215,821.29, 323,732.07 and 58,065.69

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Solution

The fourth proportional to 215,821.29, 323,732.07 and 58,065.69 is: 87,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,821.29 : 323,732.07 = 58,065.69 : x
  2. Step 2: Convert to fraction form
    215,821.29/323,732.07 = 58,065.69/x
  3. Step 3: Cross multiply
    215,821.29x = 323,732.07 × 58,065.69
  4. Step 4: Simplify right side
    215,821.29x = 18,797,726,019.68
  5. Step 5: Solve for x
    x = 18,797,726,019.68/215,821.29
  6. Step 6: Final answer
    x = 87,098.57

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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.