Home / 61,040.36-91,396.51-38,732.96

Finding the Fourth Proportional to 61,040.36, 91,396.51 and 38,732.96

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Solution

The fourth proportional to 61,040.36, 91,396.51 and 38,732.96 is: 57,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,040.36 : 91,396.51 = 38,732.96 : x
  2. Step 2: Convert to fraction form
    61,040.36/91,396.51 = 38,732.96/x
  3. Step 3: Cross multiply
    61,040.36x = 91,396.51 × 38,732.96
  4. Step 4: Simplify right side
    61,040.36x = 3,540,057,497.63
  5. Step 5: Solve for x
    x = 3,540,057,497.63/61,040.36
  6. Step 6: Final answer
    x = 57,995.36

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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.