Home / 48,617.20-72,998.70-33,891.40

Finding the Fourth Proportional to 48,617.20, 72,998.70 and 33,891.40

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Solution

The fourth proportional to 48,617.20, 72,998.70 and 33,891.40 is: 50,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,617.20 : 72,998.70 = 33,891.40 : x
  2. Step 2: Convert to fraction form
    48,617.20/72,998.70 = 33,891.40/x
  3. Step 3: Cross multiply
    48,617.20x = 72,998.70 × 33,891.40
  4. Step 4: Simplify right side
    48,617.20x = 2,474,028,141.18
  5. Step 5: Solve for x
    x = 2,474,028,141.18/48,617.20
  6. Step 6: Final answer
    x = 50,887.92

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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.