Home / 117,546.09-162,215.54-66,557.48

Finding the Fourth Proportional to 117,546.09, 162,215.54 and 66,557.48

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Solution

The fourth proportional to 117,546.09, 162,215.54 and 66,557.48 is: 91,850.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,546.09 : 162,215.54 = 66,557.48 : x
  2. Step 2: Convert to fraction form
    117,546.09/162,215.54 = 66,557.48/x
  3. Step 3: Cross multiply
    117,546.09x = 162,215.54 × 66,557.48
  4. Step 4: Simplify right side
    117,546.09x = 10,796,656,664.96
  5. Step 5: Solve for x
    x = 10,796,656,664.96/117,546.09
  6. Step 6: Final answer
    x = 91,850.41

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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.