Home / 64,450.13-96,671.30-38,321.15

Finding the Fourth Proportional to 64,450.13, 96,671.30 and 38,321.15

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Solution

The fourth proportional to 64,450.13, 96,671.30 and 38,321.15 is: 57,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,450.13 : 96,671.30 = 38,321.15 : x
  2. Step 2: Convert to fraction form
    64,450.13/96,671.30 = 38,321.15/x
  3. Step 3: Cross multiply
    64,450.13x = 96,671.30 × 38,321.15
  4. Step 4: Simplify right side
    64,450.13x = 3,704,555,000.44
  5. Step 5: Solve for x
    x = 3,704,555,000.44/64,450.13
  6. Step 6: Final answer
    x = 57,479.41

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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.