Home / 64,134.72-88,530.66-57,408.48

Finding the Fourth Proportional to 64,134.72, 88,530.66 and 57,408.48

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Solution

The fourth proportional to 64,134.72, 88,530.66 and 57,408.48 is: 79,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,134.72 : 88,530.66 = 57,408.48 : x
  2. Step 2: Convert to fraction form
    64,134.72/88,530.66 = 57,408.48/x
  3. Step 3: Cross multiply
    64,134.72x = 88,530.66 × 57,408.48
  4. Step 4: Simplify right side
    64,134.72x = 5,082,410,624.00
  5. Step 5: Solve for x
    x = 5,082,410,624.00/64,134.72
  6. Step 6: Final answer
    x = 79,245.85

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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.