Home / 67,186.05-92,669.09-57,044.54

Finding the Fourth Proportional to 67,186.05, 92,669.09 and 57,044.54

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Solution

The fourth proportional to 67,186.05, 92,669.09 and 57,044.54 is: 78,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,186.05 : 92,669.09 = 57,044.54 : x
  2. Step 2: Convert to fraction form
    67,186.05/92,669.09 = 57,044.54/x
  3. Step 3: Cross multiply
    67,186.05x = 92,669.09 × 57,044.54
  4. Step 4: Simplify right side
    67,186.05x = 5,286,264,862.70
  5. Step 5: Solve for x
    x = 5,286,264,862.70/67,186.05
  6. Step 6: Final answer
    x = 78,680.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.