Home / 88,142.33-132,266.03-31,986.82

Finding the Fourth Proportional to 88,142.33, 132,266.03 and 31,986.82

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Solution

The fourth proportional to 88,142.33, 132,266.03 and 31,986.82 is: 47,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,142.33 : 132,266.03 = 31,986.82 : x
  2. Step 2: Convert to fraction form
    88,142.33/132,266.03 = 31,986.82/x
  3. Step 3: Cross multiply
    88,142.33x = 132,266.03 × 31,986.82
  4. Step 4: Simplify right side
    88,142.33x = 4,230,769,203.13
  5. Step 5: Solve for x
    x = 4,230,769,203.13/88,142.33
  6. Step 6: Final answer
    x = 47,999.29

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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.