Home / 48,679.26-67,188.20-31,653.87

Finding the Fourth Proportional to 48,679.26, 67,188.20 and 31,653.87

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Solution

The fourth proportional to 48,679.26, 67,188.20 and 31,653.87 is: 43,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,679.26 : 67,188.20 = 31,653.87 : x
  2. Step 2: Convert to fraction form
    48,679.26/67,188.20 = 31,653.87/x
  3. Step 3: Cross multiply
    48,679.26x = 67,188.20 × 31,653.87
  4. Step 4: Simplify right side
    48,679.26x = 2,126,766,390.06
  5. Step 5: Solve for x
    x = 2,126,766,390.06/48,679.26
  6. Step 6: Final answer
    x = 43,689.37

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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.