Home / 117,535.12-162,197.70-63,819.68

Finding the Fourth Proportional to 117,535.12, 162,197.70 and 63,819.68

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Solution

The fourth proportional to 117,535.12, 162,197.70 and 63,819.68 is: 88,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,535.12 : 162,197.70 = 63,819.68 : x
  2. Step 2: Convert to fraction form
    117,535.12/162,197.70 = 63,819.68/x
  3. Step 3: Cross multiply
    117,535.12x = 162,197.70 × 63,819.68
  4. Step 4: Simplify right side
    117,535.12x = 10,351,405,310.74
  5. Step 5: Solve for x
    x = 10,351,405,310.74/117,535.12
  6. Step 6: Final answer
    x = 88,070.74

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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.