Home / 73,120.18-109,725.63-33,682.90

Finding the Fourth Proportional to 73,120.18, 109,725.63 and 33,682.90

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Solution

The fourth proportional to 73,120.18, 109,725.63 and 33,682.90 is: 50,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,120.18 : 109,725.63 = 33,682.90 : x
  2. Step 2: Convert to fraction form
    73,120.18/109,725.63 = 33,682.90/x
  3. Step 3: Cross multiply
    73,120.18x = 109,725.63 × 33,682.90
  4. Step 4: Simplify right side
    73,120.18x = 3,695,877,422.73
  5. Step 5: Solve for x
    x = 3,695,877,422.73/73,120.18
  6. Step 6: Final answer
    x = 50,545.25

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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.