Home / 67,084.74-100,627.38-20,338.02

Finding the Fourth Proportional to 67,084.74, 100,627.38 and 20,338.02

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Solution

The fourth proportional to 67,084.74, 100,627.38 and 20,338.02 is: 30,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,084.74 : 100,627.38 = 20,338.02 : x
  2. Step 2: Convert to fraction form
    67,084.74/100,627.38 = 20,338.02/x
  3. Step 3: Cross multiply
    67,084.74x = 100,627.38 × 20,338.02
  4. Step 4: Simplify right side
    67,084.74x = 2,046,561,666.99
  5. Step 5: Solve for x
    x = 2,046,561,666.99/67,084.74
  6. Step 6: Final answer
    x = 30,507.11

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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.