Home / 117,626.10-162,321.21-63,909.90

Finding the Fourth Proportional to 117,626.10, 162,321.21 and 63,909.90

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Solution

The fourth proportional to 117,626.10, 162,321.21 and 63,909.90 is: 88,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,626.10 : 162,321.21 = 63,909.90 : x
  2. Step 2: Convert to fraction form
    117,626.10/162,321.21 = 63,909.90/x
  3. Step 3: Cross multiply
    117,626.10x = 162,321.21 × 63,909.90
  4. Step 4: Simplify right side
    117,626.10x = 10,373,932,298.98
  5. Step 5: Solve for x
    x = 10,373,932,298.98/117,626.10
  6. Step 6: Final answer
    x = 88,194.14

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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.