Home / 48,625.37-72,945.84-20,545.70

Finding the Fourth Proportional to 48,625.37, 72,945.84 and 20,545.70

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Solution

The fourth proportional to 48,625.37, 72,945.84 and 20,545.70 is: 30,821.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,625.37 : 72,945.84 = 20,545.70 : x
  2. Step 2: Convert to fraction form
    48,625.37/72,945.84 = 20,545.70/x
  3. Step 3: Cross multiply
    48,625.37x = 72,945.84 × 20,545.70
  4. Step 4: Simplify right side
    48,625.37x = 1,498,722,980.16
  5. Step 5: Solve for x
    x = 1,498,722,980.16/48,625.37
  6. Step 6: Final answer
    x = 30,821.83

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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.