Home / 44,115.19-66,135.57-19,136.41

Finding the Fourth Proportional to 44,115.19, 66,135.57 and 19,136.41

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Solution

The fourth proportional to 44,115.19, 66,135.57 and 19,136.41 is: 28,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,115.19 : 66,135.57 = 19,136.41 : x
  2. Step 2: Convert to fraction form
    44,115.19/66,135.57 = 19,136.41/x
  3. Step 3: Cross multiply
    44,115.19x = 66,135.57 × 19,136.41
  4. Step 4: Simplify right side
    44,115.19x = 1,265,597,383.10
  5. Step 5: Solve for x
    x = 1,265,597,383.10/44,115.19
  6. Step 6: Final answer
    x = 28,688.47

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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.