Home / 55,170.36-82,755.54-32,990.13

Finding the Fourth Proportional to 55,170.36, 82,755.54 and 32,990.13

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Solution

The fourth proportional to 55,170.36, 82,755.54 and 32,990.13 is: 49,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,170.36 : 82,755.54 = 32,990.13 : x
  2. Step 2: Convert to fraction form
    55,170.36/82,755.54 = 32,990.13/x
  3. Step 3: Cross multiply
    55,170.36x = 82,755.54 × 32,990.13
  4. Step 4: Simplify right side
    55,170.36x = 2,730,116,022.82
  5. Step 5: Solve for x
    x = 2,730,116,022.82/55,170.36
  6. Step 6: Final answer
    x = 49,485.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.