Home / 77,949.42-107,498.44-51,082.17

Finding the Fourth Proportional to 77,949.42, 107,498.44 and 51,082.17

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Solution

The fourth proportional to 77,949.42, 107,498.44 and 51,082.17 is: 70,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,949.42 : 107,498.44 = 51,082.17 : x
  2. Step 2: Convert to fraction form
    77,949.42/107,498.44 = 51,082.17/x
  3. Step 3: Cross multiply
    77,949.42x = 107,498.44 × 51,082.17
  4. Step 4: Simplify right side
    77,949.42x = 5,491,253,586.81
  5. Step 5: Solve for x
    x = 5,491,253,586.81/77,949.42
  6. Step 6: Final answer
    x = 70,446.37

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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.