Home / 48,652.46-67,146.90-28,517.30

Finding the Fourth Proportional to 48,652.46, 67,146.90 and 28,517.30

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Solution

The fourth proportional to 48,652.46, 67,146.90 and 28,517.30 is: 39,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,652.46 : 67,146.90 = 28,517.30 : x
  2. Step 2: Convert to fraction form
    48,652.46/67,146.90 = 28,517.30/x
  3. Step 3: Cross multiply
    48,652.46x = 67,146.90 × 28,517.30
  4. Step 4: Simplify right side
    48,652.46x = 1,914,848,291.37
  5. Step 5: Solve for x
    x = 1,914,848,291.37/48,652.46
  6. Step 6: Final answer
    x = 39,357.69

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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.