Home / 117,608.77-162,288.39-66,611.33

Finding the Fourth Proportional to 117,608.77, 162,288.39 and 66,611.33

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Solution

The fourth proportional to 117,608.77, 162,288.39 and 66,611.33 is: 91,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,608.77 : 162,288.39 = 66,611.33 : x
  2. Step 2: Convert to fraction form
    117,608.77/162,288.39 = 66,611.33/x
  3. Step 3: Cross multiply
    117,608.77x = 162,288.39 × 66,611.33
  4. Step 4: Simplify right side
    117,608.77x = 10,810,245,548.39
  5. Step 5: Solve for x
    x = 10,810,245,548.39/117,608.77
  6. Step 6: Final answer
    x = 91,917.00

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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.