Home / 79,580.22-109,817.31-43,767.93

Finding the Fourth Proportional to 79,580.22, 109,817.31 and 43,767.93

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Solution

The fourth proportional to 79,580.22, 109,817.31 and 43,767.93 is: 60,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,580.22 : 109,817.31 = 43,767.93 : x
  2. Step 2: Convert to fraction form
    79,580.22/109,817.31 = 43,767.93/x
  3. Step 3: Cross multiply
    79,580.22x = 109,817.31 × 43,767.93
  4. Step 4: Simplify right side
    79,580.22x = 4,806,476,336.87
  5. Step 5: Solve for x
    x = 4,806,476,336.87/79,580.22
  6. Step 6: Final answer
    x = 60,397.88

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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.