Home / 110,257.61-165,287.99-51,011.78

Finding the Fourth Proportional to 110,257.61, 165,287.99 and 51,011.78

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Solution

The fourth proportional to 110,257.61, 165,287.99 and 51,011.78 is: 76,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,257.61 : 165,287.99 = 51,011.78 : x
  2. Step 2: Convert to fraction form
    110,257.61/165,287.99 = 51,011.78/x
  3. Step 3: Cross multiply
    110,257.61x = 165,287.99 × 51,011.78
  4. Step 4: Simplify right side
    110,257.61x = 8,431,633,883.61
  5. Step 5: Solve for x
    x = 8,431,633,883.61/110,257.61
  6. Step 6: Final answer
    x = 76,472.13

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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.