Home / 62,699.91-93,983.70-20,568.99

Finding the Fourth Proportional to 62,699.91, 93,983.70 and 20,568.99

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Solution

The fourth proportional to 62,699.91, 93,983.70 and 20,568.99 is: 30,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,699.91 : 93,983.70 = 20,568.99 : x
  2. Step 2: Convert to fraction form
    62,699.91/93,983.70 = 20,568.99/x
  3. Step 3: Cross multiply
    62,699.91x = 93,983.70 × 20,568.99
  4. Step 4: Simplify right side
    62,699.91x = 1,933,149,785.46
  5. Step 5: Solve for x
    x = 1,933,149,785.46/62,699.91
  6. Step 6: Final answer
    x = 30,831.78

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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.