Home / 79,940.22-110,317.68-43,641.66

Finding the Fourth Proportional to 79,940.22, 110,317.68 and 43,641.66

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Solution

The fourth proportional to 79,940.22, 110,317.68 and 43,641.66 is: 60,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,940.22 : 110,317.68 = 43,641.66 : x
  2. Step 2: Convert to fraction form
    79,940.22/110,317.68 = 43,641.66/x
  3. Step 3: Cross multiply
    79,940.22x = 110,317.68 × 43,641.66
  4. Step 4: Simplify right side
    79,940.22x = 4,814,446,682.55
  5. Step 5: Solve for x
    x = 4,814,446,682.55/79,940.22
  6. Step 6: Final answer
    x = 60,225.59

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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.