Home / 100,864.09-151,260.82-29,767.85

Finding the Fourth Proportional to 100,864.09, 151,260.82 and 29,767.85

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Solution

The fourth proportional to 100,864.09, 151,260.82 and 29,767.85 is: 44,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,864.09 : 151,260.82 = 29,767.85 : x
  2. Step 2: Convert to fraction form
    100,864.09/151,260.82 = 29,767.85/x
  3. Step 3: Cross multiply
    100,864.09x = 151,260.82 × 29,767.85
  4. Step 4: Simplify right side
    100,864.09x = 4,502,709,987.98
  5. Step 5: Solve for x
    x = 4,502,709,987.98/100,864.09
  6. Step 6: Final answer
    x = 44,641.36

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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.