Home / 117,817.26-162,591.30-64,105.75

Finding the Fourth Proportional to 117,817.26, 162,591.30 and 64,105.75

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Solution

The fourth proportional to 117,817.26, 162,591.30 and 64,105.75 is: 88,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,817.26 : 162,591.30 = 64,105.75 : x
  2. Step 2: Convert to fraction form
    117,817.26/162,591.30 = 64,105.75/x
  3. Step 3: Cross multiply
    117,817.26x = 162,591.30 × 64,105.75
  4. Step 4: Simplify right side
    117,817.26x = 10,423,037,890.50
  5. Step 5: Solve for x
    x = 10,423,037,890.50/117,817.26
  6. Step 6: Final answer
    x = 88,467.84

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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.