Home / 117,407.45-162,022.26-67,116.17

Finding the Fourth Proportional to 117,407.45, 162,022.26 and 67,116.17

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Solution

The fourth proportional to 117,407.45, 162,022.26 and 67,116.17 is: 92,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,407.45 : 162,022.26 = 67,116.17 : x
  2. Step 2: Convert to fraction form
    117,407.45/162,022.26 = 67,116.17/x
  3. Step 3: Cross multiply
    117,407.45x = 162,022.26 × 67,116.17
  4. Step 4: Simplify right side
    117,407.45x = 10,874,312,735.83
  5. Step 5: Solve for x
    x = 10,874,312,735.83/117,407.45
  6. Step 6: Final answer
    x = 92,620.30

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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.