Home / 117,742.14-162,488.43-67,450.86

Finding the Fourth Proportional to 117,742.14, 162,488.43 and 67,450.86

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Solution

The fourth proportional to 117,742.14, 162,488.43 and 67,450.86 is: 93,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,742.14 : 162,488.43 = 67,450.86 : x
  2. Step 2: Convert to fraction form
    117,742.14/162,488.43 = 67,450.86/x
  3. Step 3: Cross multiply
    117,742.14x = 162,488.43 × 67,450.86
  4. Step 4: Simplify right side
    117,742.14x = 10,959,984,343.55
  5. Step 5: Solve for x
    x = 10,959,984,343.55/117,742.14
  6. Step 6: Final answer
    x = 93,084.64

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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.