Home / 71,836.48-107,737.40-31,833.44

Finding the Fourth Proportional to 71,836.48, 107,737.40 and 31,833.44

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Solution

The fourth proportional to 71,836.48, 107,737.40 and 31,833.44 is: 47,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,836.48 : 107,737.40 = 31,833.44 : x
  2. Step 2: Convert to fraction form
    71,836.48/107,737.40 = 31,833.44/x
  3. Step 3: Cross multiply
    71,836.48x = 107,737.40 × 31,833.44
  4. Step 4: Simplify right side
    71,836.48x = 3,429,652,058.66
  5. Step 5: Solve for x
    x = 3,429,652,058.66/71,836.48
  6. Step 6: Final answer
    x = 47,742.48

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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.