Home / 64,278.24-96,249.68-51,729.72

Finding the Fourth Proportional to 64,278.24, 96,249.68 and 51,729.72

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Solution

The fourth proportional to 64,278.24, 96,249.68 and 51,729.72 is: 77,459.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,278.24 : 96,249.68 = 51,729.72 : x
  2. Step 2: Convert to fraction form
    64,278.24/96,249.68 = 51,729.72/x
  3. Step 3: Cross multiply
    64,278.24x = 96,249.68 × 51,729.72
  4. Step 4: Simplify right side
    64,278.24x = 4,978,968,996.49
  5. Step 5: Solve for x
    x = 4,978,968,996.49/64,278.24
  6. Step 6: Final answer
    x = 77,459.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.