Home / 117,458.22-162,093.54-63,743.70

Finding the Fourth Proportional to 117,458.22, 162,093.54 and 63,743.70

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Solution

The fourth proportional to 117,458.22, 162,093.54 and 63,743.70 is: 87,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,458.22 : 162,093.54 = 63,743.70 : x
  2. Step 2: Convert to fraction form
    117,458.22/162,093.54 = 63,743.70/x
  3. Step 3: Cross multiply
    117,458.22x = 162,093.54 × 63,743.70
  4. Step 4: Simplify right side
    117,458.22x = 10,332,441,985.70
  5. Step 5: Solve for x
    x = 10,332,441,985.70/117,458.22
  6. Step 6: Final answer
    x = 87,966.96

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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.