Home / 67,097.13-100,660.46-20,353.65

Finding the Fourth Proportional to 67,097.13, 100,660.46 and 20,353.65

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Solution

The fourth proportional to 67,097.13, 100,660.46 and 20,353.65 is: 30,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,097.13 : 100,660.46 = 20,353.65 : x
  2. Step 2: Convert to fraction form
    67,097.13/100,660.46 = 20,353.65/x
  3. Step 3: Cross multiply
    67,097.13x = 100,660.46 × 20,353.65
  4. Step 4: Simplify right side
    67,097.13x = 2,048,807,669.91
  5. Step 5: Solve for x
    x = 2,048,807,669.91/67,097.13
  6. Step 6: Final answer
    x = 30,534.95

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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.