Home / 82,100.54-123,199.46-34,713.05

Finding the Fourth Proportional to 82,100.54, 123,199.46 and 34,713.05

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Solution

The fourth proportional to 82,100.54, 123,199.46 and 34,713.05 is: 52,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,100.54 : 123,199.46 = 34,713.05 : x
  2. Step 2: Convert to fraction form
    82,100.54/123,199.46 = 34,713.05/x
  3. Step 3: Cross multiply
    82,100.54x = 123,199.46 × 34,713.05
  4. Step 4: Simplify right side
    82,100.54x = 4,276,628,379.39
  5. Step 5: Solve for x
    x = 4,276,628,379.39/82,100.54
  6. Step 6: Final answer
    x = 52,090.13

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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.