Home / 55,553.79-83,136.74-45,441.66

Finding the Fourth Proportional to 55,553.79, 83,136.74 and 45,441.66

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Solution

The fourth proportional to 55,553.79, 83,136.74 and 45,441.66 is: 68,003.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,553.79 : 83,136.74 = 45,441.66 : x
  2. Step 2: Convert to fraction form
    55,553.79/83,136.74 = 45,441.66/x
  3. Step 3: Cross multiply
    55,553.79x = 83,136.74 × 45,441.66
  4. Step 4: Simplify right side
    55,553.79x = 3,777,871,245.38
  5. Step 5: Solve for x
    x = 3,777,871,245.38/55,553.79
  6. Step 6: Final answer
    x = 68,003.84

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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.