Home / 79,945.91-110,323.62-43,646.12

Finding the Fourth Proportional to 79,945.91, 110,323.62 and 43,646.12

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Solution

The fourth proportional to 79,945.91, 110,323.62 and 43,646.12 is: 60,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,945.91 : 110,323.62 = 43,646.12 : x
  2. Step 2: Convert to fraction form
    79,945.91/110,323.62 = 43,646.12/x
  3. Step 3: Cross multiply
    79,945.91x = 110,323.62 × 43,646.12
  4. Step 4: Simplify right side
    79,945.91x = 4,815,197,405.74
  5. Step 5: Solve for x
    x = 4,815,197,405.74/79,945.91
  6. Step 6: Final answer
    x = 60,230.69

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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.