Home / 73,206.18-109,930.77-45,679.14

Finding the Fourth Proportional to 73,206.18, 109,930.77 and 45,679.14

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Solution

The fourth proportional to 73,206.18, 109,930.77 and 45,679.14 is: 68,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,206.18 : 109,930.77 = 45,679.14 : x
  2. Step 2: Convert to fraction form
    73,206.18/109,930.77 = 45,679.14/x
  3. Step 3: Cross multiply
    73,206.18x = 109,930.77 × 45,679.14
  4. Step 4: Simplify right side
    73,206.18x = 5,021,543,033.14
  5. Step 5: Solve for x
    x = 5,021,543,033.14/73,206.18
  6. Step 6: Final answer
    x = 68,594.52

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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.