Home / 73,997.12-102,116.22-42,167.36

Finding the Fourth Proportional to 73,997.12, 102,116.22 and 42,167.36

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Solution

The fourth proportional to 73,997.12, 102,116.22 and 42,167.36 is: 58,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,997.12 : 102,116.22 = 42,167.36 : x
  2. Step 2: Convert to fraction form
    73,997.12/102,116.22 = 42,167.36/x
  3. Step 3: Cross multiply
    73,997.12x = 102,116.22 × 42,167.36
  4. Step 4: Simplify right side
    73,997.12x = 4,305,971,410.58
  5. Step 5: Solve for x
    x = 4,305,971,410.58/73,997.12
  6. Step 6: Final answer
    x = 58,191.07

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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.