Home / 73,588.50-110,383.81-20,997.98

Finding the Fourth Proportional to 73,588.50, 110,383.81 and 20,997.98

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Solution

The fourth proportional to 73,588.50, 110,383.81 and 20,997.98 is: 31,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,588.50 : 110,383.81 = 20,997.98 : x
  2. Step 2: Convert to fraction form
    73,588.50/110,383.81 = 20,997.98/x
  3. Step 3: Cross multiply
    73,588.50x = 110,383.81 × 20,997.98
  4. Step 4: Simplify right side
    73,588.50x = 2,317,837,583.25
  5. Step 5: Solve for x
    x = 2,317,837,583.25/73,588.50
  6. Step 6: Final answer
    x = 31,497.28

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1.5x scale

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.