Home / 96,786.72-144,880.56-82,617.12

Finding the Fourth Proportional to 96,786.72, 144,880.56 and 82,617.12

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Solution

The fourth proportional to 96,786.72, 144,880.56 and 82,617.12 is: 123,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,786.72 : 144,880.56 = 82,617.12 : x
  2. Step 2: Convert to fraction form
    96,786.72/144,880.56 = 82,617.12/x
  3. Step 3: Cross multiply
    96,786.72x = 144,880.56 × 82,617.12
  4. Step 4: Simplify right side
    96,786.72x = 11,969,614,611.19
  5. Step 5: Solve for x
    x = 11,969,614,611.19/96,786.72
  6. Step 6: Final answer
    x = 123,670.01

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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.