Home / 48,734.94-72,991.70-38,138.93

Finding the Fourth Proportional to 48,734.94, 72,991.70 and 38,138.93

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Solution

The fourth proportional to 48,734.94, 72,991.70 and 38,138.93 is: 57,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,734.94 : 72,991.70 = 38,138.93 : x
  2. Step 2: Convert to fraction form
    48,734.94/72,991.70 = 38,138.93/x
  3. Step 3: Cross multiply
    48,734.94x = 72,991.70 × 38,138.93
  4. Step 4: Simplify right side
    48,734.94x = 2,783,825,197.97
  5. Step 5: Solve for x
    x = 2,783,825,197.97/48,734.94
  6. Step 6: Final answer
    x = 57,121.75

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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.