Home / 66,943.56-100,412.32-29,493.64

Finding the Fourth Proportional to 66,943.56, 100,412.32 and 29,493.64

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Solution

The fourth proportional to 66,943.56, 100,412.32 and 29,493.64 is: 44,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,943.56 : 100,412.32 = 29,493.64 : x
  2. Step 2: Convert to fraction form
    66,943.56/100,412.32 = 29,493.64/x
  3. Step 3: Cross multiply
    66,943.56x = 100,412.32 × 29,493.64
  4. Step 4: Simplify right side
    66,943.56x = 2,961,524,817.64
  5. Step 5: Solve for x
    x = 2,961,524,817.64/66,943.56
  6. Step 6: Final answer
    x = 44,239.13

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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.