Home / 77,997.33-107,676.14-54,082.49

Finding the Fourth Proportional to 77,997.33, 107,676.14 and 54,082.49

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Solution

The fourth proportional to 77,997.33, 107,676.14 and 54,082.49 is: 74,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,997.33 : 107,676.14 = 54,082.49 : x
  2. Step 2: Convert to fraction form
    77,997.33/107,676.14 = 54,082.49/x
  3. Step 3: Cross multiply
    77,997.33x = 107,676.14 × 54,082.49
  4. Step 4: Simplify right side
    77,997.33x = 5,823,392,956.00
  5. Step 5: Solve for x
    x = 5,823,392,956.00/77,997.33
  6. Step 6: Final answer
    x = 74,661.44

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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.