Home / 79,726.59-110,021.22-43,919.91

Finding the Fourth Proportional to 79,726.59, 110,021.22 and 43,919.91

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Solution

The fourth proportional to 79,726.59, 110,021.22 and 43,919.91 is: 60,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,726.59 : 110,021.22 = 43,919.91 : x
  2. Step 2: Convert to fraction form
    79,726.59/110,021.22 = 43,919.91/x
  3. Step 3: Cross multiply
    79,726.59x = 110,021.22 × 43,919.91
  4. Step 4: Simplify right side
    79,726.59x = 4,832,122,080.49
  5. Step 5: Solve for x
    x = 4,832,122,080.49/79,726.59
  6. Step 6: Final answer
    x = 60,608.66

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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.