Home / 66,633.14-99,915.75-22,243.94

Finding the Fourth Proportional to 66,633.14, 99,915.75 and 22,243.94

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Solution

The fourth proportional to 66,633.14, 99,915.75 and 22,243.94 is: 33,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,633.14 : 99,915.75 = 22,243.94 : x
  2. Step 2: Convert to fraction form
    66,633.14/99,915.75 = 22,243.94/x
  3. Step 3: Cross multiply
    66,633.14x = 99,915.75 × 22,243.94
  4. Step 4: Simplify right side
    66,633.14x = 2,222,519,948.06
  5. Step 5: Solve for x
    x = 2,222,519,948.06/66,633.14
  6. Step 6: Final answer
    x = 33,354.57

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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.