Home / 67,304.22-100,956.48-19,920.12

Finding the Fourth Proportional to 67,304.22, 100,956.48 and 19,920.12

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Solution

The fourth proportional to 67,304.22, 100,956.48 and 19,920.12 is: 29,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,304.22 : 100,956.48 = 19,920.12 : x
  2. Step 2: Convert to fraction form
    67,304.22/100,956.48 = 19,920.12/x
  3. Step 3: Cross multiply
    67,304.22x = 100,956.48 × 19,920.12
  4. Step 4: Simplify right side
    67,304.22x = 2,011,065,196.38
  5. Step 5: Solve for x
    x = 2,011,065,196.38/67,304.22
  6. Step 6: Final answer
    x = 29,880.22

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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.