Home / 67,253.82-100,880.76-20,506.32

Finding the Fourth Proportional to 67,253.82, 100,880.76 and 20,506.32

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Solution

The fourth proportional to 67,253.82, 100,880.76 and 20,506.32 is: 30,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,253.82 : 100,880.76 = 20,506.32 : x
  2. Step 2: Convert to fraction form
    67,253.82/100,880.76 = 20,506.32/x
  3. Step 3: Cross multiply
    67,253.82x = 100,880.76 × 20,506.32
  4. Step 4: Simplify right side
    67,253.82x = 2,068,693,146.40
  5. Step 5: Solve for x
    x = 2,068,693,146.40/67,253.82
  6. Step 6: Final answer
    x = 30,759.49

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Similar ratio
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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.