Home / 96,716.16-144,961.92-55,192.32

Finding the Fourth Proportional to 96,716.16, 144,961.92 and 55,192.32

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Solution

The fourth proportional to 96,716.16, 144,961.92 and 55,192.32 is: 82,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,716.16 : 144,961.92 = 55,192.32 : x
  2. Step 2: Convert to fraction form
    96,716.16/144,961.92 = 55,192.32/x
  3. Step 3: Cross multiply
    96,716.16x = 144,961.92 × 55,192.32
  4. Step 4: Simplify right side
    96,716.16x = 8,000,784,676.45
  5. Step 5: Solve for x
    x = 8,000,784,676.45/96,716.16
  6. Step 6: Final answer
    x = 82,724.38

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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.