Home / 67,723.38-101,584.80-20,976.12

Finding the Fourth Proportional to 67,723.38, 101,584.80 and 20,976.12

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Solution

The fourth proportional to 67,723.38, 101,584.80 and 20,976.12 is: 31,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,723.38 : 101,584.80 = 20,976.12 : x
  2. Step 2: Convert to fraction form
    67,723.38/101,584.80 = 20,976.12/x
  3. Step 3: Cross multiply
    67,723.38x = 101,584.80 × 20,976.12
  4. Step 4: Simplify right side
    67,723.38x = 2,130,854,954.98
  5. Step 5: Solve for x
    x = 2,130,854,954.98/67,723.38
  6. Step 6: Final answer
    x = 31,464.10

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1.5x scale

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.