Home / 117,874.48-162,670.24-64,163

Finding the Fourth Proportional to 117,874.48, 162,670.24 and 64,163

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Solution

The fourth proportional to 117,874.48, 162,670.24 and 64,163 is: 88,546.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,874.48 : 162,670.24 = 64,163 : x
  2. Step 2: Convert to fraction form
    117,874.48/162,670.24 = 64,163/x
  3. Step 3: Cross multiply
    117,874.48x = 162,670.24 × 64,163
  4. Step 4: Simplify right side
    117,874.48x = 10,437,410,609.12
  5. Step 5: Solve for x
    x = 10,437,410,609.12/117,874.48
  6. Step 6: Final answer
    x = 88,546.82

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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.