Home / 67,274.23-100,715.86-39,108.41

Finding the Fourth Proportional to 67,274.23, 100,715.86 and 39,108.41

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Solution

The fourth proportional to 67,274.23, 100,715.86 and 39,108.41 is: 58,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,274.23 : 100,715.86 = 39,108.41 : x
  2. Step 2: Convert to fraction form
    67,274.23/100,715.86 = 39,108.41/x
  3. Step 3: Cross multiply
    67,274.23x = 100,715.86 × 39,108.41
  4. Step 4: Simplify right side
    67,274.23x = 3,938,836,545.03
  5. Step 5: Solve for x
    x = 3,938,836,545.03/67,274.23
  6. Step 6: Final answer
    x = 58,548.97

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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.