Home / 64,118.38-96,179.21-30,376.49

Finding the Fourth Proportional to 64,118.38, 96,179.21 and 30,376.49

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Solution

The fourth proportional to 64,118.38, 96,179.21 and 30,376.49 is: 45,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,118.38 : 96,179.21 = 30,376.49 : x
  2. Step 2: Convert to fraction form
    64,118.38/96,179.21 = 30,376.49/x
  3. Step 3: Cross multiply
    64,118.38x = 96,179.21 × 30,376.49
  4. Step 4: Simplify right side
    64,118.38x = 2,921,586,805.78
  5. Step 5: Solve for x
    x = 2,921,586,805.78/64,118.38
  6. Step 6: Final answer
    x = 45,565.51

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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.