Home / 117,408.45-162,023.64-67,117.17

Finding the Fourth Proportional to 117,408.45, 162,023.64 and 67,117.17

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Solution

The fourth proportional to 117,408.45, 162,023.64 and 67,117.17 is: 92,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,408.45 : 162,023.64 = 67,117.17 : x
  2. Step 2: Convert to fraction form
    117,408.45/162,023.64 = 67,117.17/x
  3. Step 3: Cross multiply
    117,408.45x = 162,023.64 × 67,117.17
  4. Step 4: Simplify right side
    117,408.45x = 10,874,568,189.90
  5. Step 5: Solve for x
    x = 10,874,568,189.90/117,408.45
  6. Step 6: Final answer
    x = 92,621.68

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1.5x scale

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.