Home / 79,554.54-109,785.60-43,743.72

Finding the Fourth Proportional to 79,554.54, 109,785.60 and 43,743.72

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Solution

The fourth proportional to 79,554.54, 109,785.60 and 43,743.72 is: 60,366.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,554.54 : 109,785.60 = 43,743.72 : x
  2. Step 2: Convert to fraction form
    79,554.54/109,785.60 = 43,743.72/x
  3. Step 3: Cross multiply
    79,554.54x = 109,785.60 × 43,743.72
  4. Step 4: Simplify right side
    79,554.54x = 4,802,430,546.43
  5. Step 5: Solve for x
    x = 4,802,430,546.43/79,554.54
  6. Step 6: Final answer
    x = 60,366.52

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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.