Home / 50,115.45-75,178.26-18,533.96

Finding the Fourth Proportional to 50,115.45, 75,178.26 and 18,533.96

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Solution

The fourth proportional to 50,115.45, 75,178.26 and 18,533.96 is: 27,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,115.45 : 75,178.26 = 18,533.96 : x
  2. Step 2: Convert to fraction form
    50,115.45/75,178.26 = 18,533.96/x
  3. Step 3: Cross multiply
    50,115.45x = 75,178.26 × 18,533.96
  4. Step 4: Simplify right side
    50,115.45x = 1,393,350,863.71
  5. Step 5: Solve for x
    x = 1,393,350,863.71/50,115.45
  6. Step 6: Final answer
    x = 27,802.82

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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.