Home / 41,136.66-61,576.20-28,411.56

Finding the Fourth Proportional to 41,136.66, 61,576.20 and 28,411.56

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Solution

The fourth proportional to 41,136.66, 61,576.20 and 28,411.56 is: 42,528.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,136.66 : 61,576.20 = 28,411.56 : x
  2. Step 2: Convert to fraction form
    41,136.66/61,576.20 = 28,411.56/x
  3. Step 3: Cross multiply
    41,136.66x = 61,576.20 × 28,411.56
  4. Step 4: Simplify right side
    41,136.66x = 1,749,475,900.87
  5. Step 5: Solve for x
    x = 1,749,475,900.87/41,136.66
  6. Step 6: Final answer
    x = 42,528.39

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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.