Home / 79,707.42-110,049.18-49,537.76

Finding the Fourth Proportional to 79,707.42, 110,049.18 and 49,537.76

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Solution

The fourth proportional to 79,707.42, 110,049.18 and 49,537.76 is: 68,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,707.42 : 110,049.18 = 49,537.76 : x
  2. Step 2: Convert to fraction form
    79,707.42/110,049.18 = 49,537.76/x
  3. Step 3: Cross multiply
    79,707.42x = 110,049.18 × 49,537.76
  4. Step 4: Simplify right side
    79,707.42x = 5,451,589,867.04
  5. Step 5: Solve for x
    x = 5,451,589,867.04/79,707.42
  6. Step 6: Final answer
    x = 68,395.01

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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.