Home / 117,743.14-162,489.81-67,451.86

Finding the Fourth Proportional to 117,743.14, 162,489.81 and 67,451.86

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Solution

The fourth proportional to 117,743.14, 162,489.81 and 67,451.86 is: 93,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,743.14 : 162,489.81 = 67,451.86 : x
  2. Step 2: Convert to fraction form
    117,743.14/162,489.81 = 67,451.86/x
  3. Step 3: Cross multiply
    117,743.14x = 162,489.81 × 67,451.86
  4. Step 4: Simplify right side
    117,743.14x = 10,960,239,915.55
  5. Step 5: Solve for x
    x = 10,960,239,915.55/117,743.14
  6. Step 6: Final answer
    x = 93,086.02

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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.