Home / 67,850.45-93,635.12-37,634.78

Finding the Fourth Proportional to 67,850.45, 93,635.12 and 37,634.78

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Solution

The fourth proportional to 67,850.45, 93,635.12 and 37,634.78 is: 51,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,850.45 : 93,635.12 = 37,634.78 : x
  2. Step 2: Convert to fraction form
    67,850.45/93,635.12 = 37,634.78/x
  3. Step 3: Cross multiply
    67,850.45x = 93,635.12 × 37,634.78
  4. Step 4: Simplify right side
    67,850.45x = 3,523,937,187.39
  5. Step 5: Solve for x
    x = 3,523,937,187.39/67,850.45
  6. Step 6: Final answer
    x = 51,936.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.