Home / 73,415.20-110,122.18-43,635.82

Finding the Fourth Proportional to 73,415.20, 110,122.18 and 43,635.82

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Solution

The fourth proportional to 73,415.20, 110,122.18 and 43,635.82 is: 65,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,415.20 : 110,122.18 = 43,635.82 : x
  2. Step 2: Convert to fraction form
    73,415.20/110,122.18 = 43,635.82/x
  3. Step 3: Cross multiply
    73,415.20x = 110,122.18 × 43,635.82
  4. Step 4: Simplify right side
    73,415.20x = 4,805,271,624.49
  5. Step 5: Solve for x
    x = 4,805,271,624.49/73,415.20
  6. Step 6: Final answer
    x = 65,453.36

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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.