Home / 73,036.13-100,789.86-39,502.13

Finding the Fourth Proportional to 73,036.13, 100,789.86 and 39,502.13

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Solution

The fourth proportional to 73,036.13, 100,789.86 and 39,502.13 is: 54,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,036.13 : 100,789.86 = 39,502.13 : x
  2. Step 2: Convert to fraction form
    73,036.13/100,789.86 = 39,502.13/x
  3. Step 3: Cross multiply
    73,036.13x = 100,789.86 × 39,502.13
  4. Step 4: Simplify right side
    73,036.13x = 3,981,413,648.45
  5. Step 5: Solve for x
    x = 3,981,413,648.45/73,036.13
  6. Step 6: Final answer
    x = 54,512.94

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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.