Home / 117,742.67-162,489.16-67,451.39

Finding the Fourth Proportional to 117,742.67, 162,489.16 and 67,451.39

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Solution

The fourth proportional to 117,742.67, 162,489.16 and 67,451.39 is: 93,085.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,742.67 : 162,489.16 = 67,451.39 : x
  2. Step 2: Convert to fraction form
    117,742.67/162,489.16 = 67,451.39/x
  3. Step 3: Cross multiply
    117,742.67x = 162,489.16 × 67,451.39
  4. Step 4: Simplify right side
    117,742.67x = 10,960,119,330.19
  5. Step 5: Solve for x
    x = 10,960,119,330.19/117,742.67
  6. Step 6: Final answer
    x = 93,085.37

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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.