Home / 81,664.98-122,486.28-22,492.14

Finding the Fourth Proportional to 81,664.98, 122,486.28 and 22,492.14

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Solution

The fourth proportional to 81,664.98, 122,486.28 and 22,492.14 is: 33,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,664.98 : 122,486.28 = 22,492.14 : x
  2. Step 2: Convert to fraction form
    81,664.98/122,486.28 = 22,492.14/x
  3. Step 3: Cross multiply
    81,664.98x = 122,486.28 × 22,492.14
  4. Step 4: Simplify right side
    81,664.98x = 2,754,978,557.84
  5. Step 5: Solve for x
    x = 2,754,978,557.84/81,664.98
  6. Step 6: Final answer
    x = 33,735.13

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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.