Home / 79,478.44-109,680.94-43,669.24

Finding the Fourth Proportional to 79,478.44, 109,680.94 and 43,669.24

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Solution

The fourth proportional to 79,478.44, 109,680.94 and 43,669.24 is: 60,263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,478.44 : 109,680.94 = 43,669.24 : x
  2. Step 2: Convert to fraction form
    79,478.44/109,680.94 = 43,669.24/x
  3. Step 3: Cross multiply
    79,478.44x = 109,680.94 × 43,669.24
  4. Step 4: Simplify right side
    79,478.44x = 4,789,683,292.29
  5. Step 5: Solve for x
    x = 4,789,683,292.29/79,478.44
  6. Step 6: Final answer
    x = 60,263.93

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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.