Home / 99,229.35-136,935.95-53,906.97

Finding the Fourth Proportional to 99,229.35, 136,935.95 and 53,906.97

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Solution

The fourth proportional to 99,229.35, 136,935.95 and 53,906.97 is: 74,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,229.35 : 136,935.95 = 53,906.97 : x
  2. Step 2: Convert to fraction form
    99,229.35/136,935.95 = 53,906.97/x
  3. Step 3: Cross multiply
    99,229.35x = 136,935.95 × 53,906.97
  4. Step 4: Simplify right side
    99,229.35x = 7,381,801,879.04
  5. Step 5: Solve for x
    x = 7,381,801,879.04/99,229.35
  6. Step 6: Final answer
    x = 74,391.32

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1.5x scale

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.