Home / 48,170.25-66,452.49-31,179.96

Finding the Fourth Proportional to 48,170.25, 66,452.49 and 31,179.96

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Solution

The fourth proportional to 48,170.25, 66,452.49 and 31,179.96 is: 43,013.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,170.25 : 66,452.49 = 31,179.96 : x
  2. Step 2: Convert to fraction form
    48,170.25/66,452.49 = 31,179.96/x
  3. Step 3: Cross multiply
    48,170.25x = 66,452.49 × 31,179.96
  4. Step 4: Simplify right side
    48,170.25x = 2,071,985,980.10
  5. Step 5: Solve for x
    x = 2,071,985,980.10/48,170.25
  6. Step 6: Final answer
    x = 43,013.81

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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.