Home / 34,087.33-51,145.87-11,916.61

Finding the Fourth Proportional to 34,087.33, 51,145.87 and 11,916.61

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Solution

The fourth proportional to 34,087.33, 51,145.87 and 11,916.61 is: 17,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,087.33 : 51,145.87 = 11,916.61 : x
  2. Step 2: Convert to fraction form
    34,087.33/51,145.87 = 11,916.61/x
  3. Step 3: Cross multiply
    34,087.33x = 51,145.87 × 11,916.61
  4. Step 4: Simplify right side
    34,087.33x = 609,485,385.90
  5. Step 5: Solve for x
    x = 609,485,385.90/34,087.33
  6. Step 6: Final answer
    x = 17,880.12

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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.