Home / 73,997.04-102,118.68-42,165.12

Finding the Fourth Proportional to 73,997.04, 102,118.68 and 42,165.12

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Solution

The fourth proportional to 73,997.04, 102,118.68 and 42,165.12 is: 58,189.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,997.04 : 102,118.68 = 42,165.12 : x
  2. Step 2: Convert to fraction form
    73,997.04/102,118.68 = 42,165.12/x
  3. Step 3: Cross multiply
    73,997.04x = 102,118.68 × 42,165.12
  4. Step 4: Simplify right side
    73,997.04x = 4,305,846,396.44
  5. Step 5: Solve for x
    x = 4,305,846,396.44/73,997.04
  6. Step 6: Final answer
    x = 58,189.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.