Home / 79,309.07-109,447.07-43,499.33

Finding the Fourth Proportional to 79,309.07, 109,447.07 and 43,499.33

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Solution

The fourth proportional to 79,309.07, 109,447.07 and 43,499.33 is: 60,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,309.07 : 109,447.07 = 43,499.33 : x
  2. Step 2: Convert to fraction form
    79,309.07/109,447.07 = 43,499.33/x
  3. Step 3: Cross multiply
    79,309.07x = 109,447.07 × 43,499.33
  4. Step 4: Simplify right side
    79,309.07x = 4,760,874,271.58
  5. Step 5: Solve for x
    x = 4,760,874,271.58/79,309.07
  6. Step 6: Final answer
    x = 60,029.38

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1.5x scale

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.