Home / 64,129.14-96,213.15-45,445.41

Finding the Fourth Proportional to 64,129.14, 96,213.15 and 45,445.41

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Solution

The fourth proportional to 64,129.14, 96,213.15 and 45,445.41 is: 68,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,129.14 : 96,213.15 = 45,445.41 : x
  2. Step 2: Convert to fraction form
    64,129.14/96,213.15 = 45,445.41/x
  3. Step 3: Cross multiply
    64,129.14x = 96,213.15 × 45,445.41
  4. Step 4: Simplify right side
    64,129.14x = 4,372,446,049.14
  5. Step 5: Solve for x
    x = 4,372,446,049.14/64,129.14
  6. Step 6: Final answer
    x = 68,181.89

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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.