Home / 82,507.25-123,741.05-38,091.33

Finding the Fourth Proportional to 82,507.25, 123,741.05 and 38,091.33

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Solution

The fourth proportional to 82,507.25, 123,741.05 and 38,091.33 is: 57,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,507.25 : 123,741.05 = 38,091.33 : x
  2. Step 2: Convert to fraction form
    82,507.25/123,741.05 = 38,091.33/x
  3. Step 3: Cross multiply
    82,507.25x = 123,741.05 × 38,091.33
  4. Step 4: Simplify right side
    82,507.25x = 4,713,461,170.10
  5. Step 5: Solve for x
    x = 4,713,461,170.10/82,507.25
  6. Step 6: Final answer
    x = 57,127.84

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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.