Home / 81,532.48-122,299.10-22,368.82

Finding the Fourth Proportional to 81,532.48, 122,299.10 and 22,368.82

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Solution

The fourth proportional to 81,532.48, 122,299.10 and 22,368.82 is: 33,553.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,532.48 : 122,299.10 = 22,368.82 : x
  2. Step 2: Convert to fraction form
    81,532.48/122,299.10 = 22,368.82/x
  3. Step 3: Cross multiply
    81,532.48x = 122,299.10 × 22,368.82
  4. Step 4: Simplify right side
    81,532.48x = 2,735,686,554.06
  5. Step 5: Solve for x
    x = 2,735,686,554.06/81,532.48
  6. Step 6: Final answer
    x = 33,553.33

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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.