Home / 79,192.14-109,286.92-45,199.96

Finding the Fourth Proportional to 79,192.14, 109,286.92 and 45,199.96

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Solution

The fourth proportional to 79,192.14, 109,286.92 and 45,199.96 is: 62,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,192.14 : 109,286.92 = 45,199.96 : x
  2. Step 2: Convert to fraction form
    79,192.14/109,286.92 = 45,199.96/x
  3. Step 3: Cross multiply
    79,192.14x = 109,286.92 × 45,199.96
  4. Step 4: Simplify right side
    79,192.14x = 4,939,764,412.52
  5. Step 5: Solve for x
    x = 4,939,764,412.52/79,192.14
  6. Step 6: Final answer
    x = 62,376.95

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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.