Home / 118,863.24-164,049.33-75,861.28

Finding the Fourth Proportional to 118,863.24, 164,049.33 and 75,861.28

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Solution

The fourth proportional to 118,863.24, 164,049.33 and 75,861.28 is: 104,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,863.24 : 164,049.33 = 75,861.28 : x
  2. Step 2: Convert to fraction form
    118,863.24/164,049.33 = 75,861.28/x
  3. Step 3: Cross multiply
    118,863.24x = 164,049.33 × 75,861.28
  4. Step 4: Simplify right side
    118,863.24x = 12,444,992,156.94
  5. Step 5: Solve for x
    x = 12,444,992,156.94/118,863.24
  6. Step 6: Final answer
    x = 104,700.09

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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.