Home / 117,517.77-162,179.10-66,532.68

Finding the Fourth Proportional to 117,517.77, 162,179.10 and 66,532.68

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Solution

The fourth proportional to 117,517.77, 162,179.10 and 66,532.68 is: 91,817.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,517.77 : 162,179.10 = 66,532.68 : x
  2. Step 2: Convert to fraction form
    117,517.77/162,179.10 = 66,532.68/x
  3. Step 3: Cross multiply
    117,517.77x = 162,179.10 × 66,532.68
  4. Step 4: Simplify right side
    117,517.77x = 10,790,210,162.99
  5. Step 5: Solve for x
    x = 10,790,210,162.99/117,517.77
  6. Step 6: Final answer
    x = 91,817.69

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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.