Home / 71,022.78-106,548.75-26,649.36

Finding the Fourth Proportional to 71,022.78, 106,548.75 and 26,649.36

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Solution

The fourth proportional to 71,022.78, 106,548.75 and 26,649.36 is: 39,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,022.78 : 106,548.75 = 26,649.36 : x
  2. Step 2: Convert to fraction form
    71,022.78/106,548.75 = 26,649.36/x
  3. Step 3: Cross multiply
    71,022.78x = 106,548.75 × 26,649.36
  4. Step 4: Simplify right side
    71,022.78x = 2,839,455,996.30
  5. Step 5: Solve for x
    x = 2,839,455,996.30/71,022.78
  6. Step 6: Final answer
    x = 39,979.51

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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.