Home / 48,594.30-67,072.66-31,640.90

Finding the Fourth Proportional to 48,594.30, 67,072.66 and 31,640.90

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Solution

The fourth proportional to 48,594.30, 67,072.66 and 31,640.90 is: 43,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,594.30 : 67,072.66 = 31,640.90 : x
  2. Step 2: Convert to fraction form
    48,594.30/67,072.66 = 31,640.90/x
  3. Step 3: Cross multiply
    48,594.30x = 67,072.66 × 31,640.90
  4. Step 4: Simplify right side
    48,594.30x = 2,122,238,913.33
  5. Step 5: Solve for x
    x = 2,122,238,913.33/48,594.30
  6. Step 6: Final answer
    x = 43,672.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.