Home / 117,688.91-162,414.23-66,701.73

Finding the Fourth Proportional to 117,688.91, 162,414.23 and 66,701.73

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Solution

The fourth proportional to 117,688.91, 162,414.23 and 66,701.73 is: 92,050.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,688.91 : 162,414.23 = 66,701.73 : x
  2. Step 2: Convert to fraction form
    117,688.91/162,414.23 = 66,701.73/x
  3. Step 3: Cross multiply
    117,688.91x = 162,414.23 × 66,701.73
  4. Step 4: Simplify right side
    117,688.91x = 10,833,309,784.11
  5. Step 5: Solve for x
    x = 10,833,309,784.11/117,688.91
  6. Step 6: Final answer
    x = 92,050.39

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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.