Home / 44,115.28-66,135.70-19,136.52

Finding the Fourth Proportional to 44,115.28, 66,135.70 and 19,136.52

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Solution

The fourth proportional to 44,115.28, 66,135.70 and 19,136.52 is: 28,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,115.28 : 66,135.70 = 19,136.52 : x
  2. Step 2: Convert to fraction form
    44,115.28/66,135.70 = 19,136.52/x
  3. Step 3: Cross multiply
    44,115.28x = 66,135.70 × 19,136.52
  4. Step 4: Simplify right side
    44,115.28x = 1,265,607,145.76
  5. Step 5: Solve for x
    x = 1,265,607,145.76/44,115.28
  6. Step 6: Final answer
    x = 28,688.63

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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.