Home / 79,046.77-109,083.26-43,236.47

Finding the Fourth Proportional to 79,046.77, 109,083.26 and 43,236.47

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Solution

The fourth proportional to 79,046.77, 109,083.26 and 43,236.47 is: 59,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,046.77 : 109,083.26 = 43,236.47 : x
  2. Step 2: Convert to fraction form
    79,046.77/109,083.26 = 43,236.47/x
  3. Step 3: Cross multiply
    79,046.77x = 109,083.26 × 43,236.47
  4. Step 4: Simplify right side
    79,046.77x = 4,716,375,070.23
  5. Step 5: Solve for x
    x = 4,716,375,070.23/79,046.77
  6. Step 6: Final answer
    x = 59,665.63

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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.