Home / 117,917.08-162,717.35-66,930.85

Finding the Fourth Proportional to 117,917.08, 162,717.35 and 66,930.85

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Solution

The fourth proportional to 117,917.08, 162,717.35 and 66,930.85 is: 92,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,917.08 : 162,717.35 = 66,930.85 : x
  2. Step 2: Convert to fraction form
    117,917.08/162,717.35 = 66,930.85/x
  3. Step 3: Cross multiply
    117,917.08x = 162,717.35 × 66,930.85
  4. Step 4: Simplify right side
    117,917.08x = 10,890,810,545.25
  5. Step 5: Solve for x
    x = 10,890,810,545.25/117,917.08
  6. Step 6: Final answer
    x = 92,359.91

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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.