Home / 57,127.05-85,715.06-22,091.31

Finding the Fourth Proportional to 57,127.05, 85,715.06 and 22,091.31

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Solution

The fourth proportional to 57,127.05, 85,715.06 and 22,091.31 is: 33,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,127.05 : 85,715.06 = 22,091.31 : x
  2. Step 2: Convert to fraction form
    57,127.05/85,715.06 = 22,091.31/x
  3. Step 3: Cross multiply
    57,127.05x = 85,715.06 × 22,091.31
  4. Step 4: Simplify right side
    57,127.05x = 1,893,557,851.67
  5. Step 5: Solve for x
    x = 1,893,557,851.67/57,127.05
  6. Step 6: Final answer
    x = 33,146.43

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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.