Home / 79,917.13-110,285.87-43,618.91

Finding the Fourth Proportional to 79,917.13, 110,285.87 and 43,618.91

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Solution

The fourth proportional to 79,917.13, 110,285.87 and 43,618.91 is: 60,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,917.13 : 110,285.87 = 43,618.91 : x
  2. Step 2: Convert to fraction form
    79,917.13/110,285.87 = 43,618.91/x
  3. Step 3: Cross multiply
    79,917.13x = 110,285.87 × 43,618.91
  4. Step 4: Simplify right side
    79,917.13x = 4,810,549,437.80
  5. Step 5: Solve for x
    x = 4,810,549,437.80/79,917.13
  6. Step 6: Final answer
    x = 60,194.22

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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.