Home / 70,843.59-97,738.49-40,198.95

Finding the Fourth Proportional to 70,843.59, 97,738.49 and 40,198.95

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Solution

The fourth proportional to 70,843.59, 97,738.49 and 40,198.95 is: 55,459.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,843.59 : 97,738.49 = 40,198.95 : x
  2. Step 2: Convert to fraction form
    70,843.59/97,738.49 = 40,198.95/x
  3. Step 3: Cross multiply
    70,843.59x = 97,738.49 × 40,198.95
  4. Step 4: Simplify right side
    70,843.59x = 3,928,984,773.08
  5. Step 5: Solve for x
    x = 3,928,984,773.08/70,843.59
  6. Step 6: Final answer
    x = 55,459.99

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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.