Home / 48,702.10-72,997.84-20,604.62

Finding the Fourth Proportional to 48,702.10, 72,997.84 and 20,604.62

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Solution

The fourth proportional to 48,702.10, 72,997.84 and 20,604.62 is: 30,883.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,702.10 : 72,997.84 = 20,604.62 : x
  2. Step 2: Convert to fraction form
    48,702.10/72,997.84 = 20,604.62/x
  3. Step 3: Cross multiply
    48,702.10x = 72,997.84 × 20,604.62
  4. Step 4: Simplify right side
    48,702.10x = 1,504,092,754.02
  5. Step 5: Solve for x
    x = 1,504,092,754.02/48,702.10
  6. Step 6: Final answer
    x = 30,883.53

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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.