Home / 99,239.38-136,949.59-53,917.73

Finding the Fourth Proportional to 99,239.38, 136,949.59 and 53,917.73

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Solution

The fourth proportional to 99,239.38, 136,949.59 and 53,917.73 is: 74,406.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,239.38 : 136,949.59 = 53,917.73 : x
  2. Step 2: Convert to fraction form
    99,239.38/136,949.59 = 53,917.73/x
  3. Step 3: Cross multiply
    99,239.38x = 136,949.59 × 53,917.73
  4. Step 4: Simplify right side
    99,239.38x = 7,384,010,747.64
  5. Step 5: Solve for x
    x = 7,384,010,747.64/99,239.38
  6. Step 6: Final answer
    x = 74,406.06

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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.