Home / 117,225.20-161,770.56-63,511.58

Finding the Fourth Proportional to 117,225.20, 161,770.56 and 63,511.58

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Solution

The fourth proportional to 117,225.20, 161,770.56 and 63,511.58 is: 87,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,225.20 : 161,770.56 = 63,511.58 : x
  2. Step 2: Convert to fraction form
    117,225.20/161,770.56 = 63,511.58/x
  3. Step 3: Cross multiply
    117,225.20x = 161,770.56 × 63,511.58
  4. Step 4: Simplify right side
    117,225.20x = 10,274,303,863.08
  5. Step 5: Solve for x
    x = 10,274,303,863.08/117,225.20
  6. Step 6: Final answer
    x = 87,645.86

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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.