Home / 79,213.48-109,315.03-43,404.77

Finding the Fourth Proportional to 79,213.48, 109,315.03 and 43,404.77

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Solution

The fourth proportional to 79,213.48, 109,315.03 and 43,404.77 is: 59,898.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,213.48 : 109,315.03 = 43,404.77 : x
  2. Step 2: Convert to fraction form
    79,213.48/109,315.03 = 43,404.77/x
  3. Step 3: Cross multiply
    79,213.48x = 109,315.03 × 43,404.77
  4. Step 4: Simplify right side
    79,213.48x = 4,744,794,195.61
  5. Step 5: Solve for x
    x = 4,744,794,195.61/79,213.48
  6. Step 6: Final answer
    x = 59,898.82

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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.