Home / 74,462.30-111,630.65-32,310.61

Finding the Fourth Proportional to 74,462.30, 111,630.65 and 32,310.61

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Solution

The fourth proportional to 74,462.30, 111,630.65 and 32,310.61 is: 48,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,462.30 : 111,630.65 = 32,310.61 : x
  2. Step 2: Convert to fraction form
    74,462.30/111,630.65 = 32,310.61/x
  3. Step 3: Cross multiply
    74,462.30x = 111,630.65 × 32,310.61
  4. Step 4: Simplify right side
    74,462.30x = 3,606,854,396.20
  5. Step 5: Solve for x
    x = 3,606,854,396.20/74,462.30
  6. Step 6: Final answer
    x = 48,438.66

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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.