Home / 117,553.68-162,234.09-66,575.32

Finding the Fourth Proportional to 117,553.68, 162,234.09 and 66,575.32

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Solution

The fourth proportional to 117,553.68, 162,234.09 and 66,575.32 is: 91,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,553.68 : 162,234.09 = 66,575.32 : x
  2. Step 2: Convert to fraction form
    117,553.68/162,234.09 = 66,575.32/x
  3. Step 3: Cross multiply
    117,553.68x = 162,234.09 × 66,575.32
  4. Step 4: Simplify right side
    117,553.68x = 10,800,786,051.07
  5. Step 5: Solve for x
    x = 10,800,786,051.07/117,553.68
  6. Step 6: Final answer
    x = 91,879.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.