Home / 66,723.51-100,096.20-31,644.03

Finding the Fourth Proportional to 66,723.51, 100,096.20 and 31,644.03

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Solution

The fourth proportional to 66,723.51, 100,096.20 and 31,644.03 is: 47,471.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,723.51 : 100,096.20 = 31,644.03 : x
  2. Step 2: Convert to fraction form
    66,723.51/100,096.20 = 31,644.03/x
  3. Step 3: Cross multiply
    66,723.51x = 100,096.20 × 31,644.03
  4. Step 4: Simplify right side
    66,723.51x = 3,167,447,155.69
  5. Step 5: Solve for x
    x = 3,167,447,155.69/66,723.51
  6. Step 6: Final answer
    x = 47,471.23

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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.