Home / 117,809.46-162,583.89-66,824.22

Finding the Fourth Proportional to 117,809.46, 162,583.89 and 66,824.22

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Solution

The fourth proportional to 117,809.46, 162,583.89 and 66,824.22 is: 92,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,809.46 : 162,583.89 = 66,824.22 : x
  2. Step 2: Convert to fraction form
    117,809.46/162,583.89 = 66,824.22/x
  3. Step 3: Cross multiply
    117,809.46x = 162,583.89 × 66,824.22
  4. Step 4: Simplify right side
    117,809.46x = 10,864,541,633.82
  5. Step 5: Solve for x
    x = 10,864,541,633.82/117,809.46
  6. Step 6: Final answer
    x = 92,221.30

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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.