Home / 79,198.08-109,251.88-48,973.76

Finding the Fourth Proportional to 79,198.08, 109,251.88 and 48,973.76

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Solution

The fourth proportional to 79,198.08, 109,251.88 and 48,973.76 is: 67,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,198.08 : 109,251.88 = 48,973.76 : x
  2. Step 2: Convert to fraction form
    79,198.08/109,251.88 = 48,973.76/x
  3. Step 3: Cross multiply
    79,198.08x = 109,251.88 × 48,973.76
  4. Step 4: Simplify right side
    79,198.08x = 5,350,475,350.67
  5. Step 5: Solve for x
    x = 5,350,475,350.67/79,198.08
  6. Step 6: Final answer
    x = 67,558.14

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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.