Home / 79,664.91-109,940.70-43,858.25

Finding the Fourth Proportional to 79,664.91, 109,940.70 and 43,858.25

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Solution

The fourth proportional to 79,664.91, 109,940.70 and 43,858.25 is: 60,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,664.91 : 109,940.70 = 43,858.25 : x
  2. Step 2: Convert to fraction form
    79,664.91/109,940.70 = 43,858.25/x
  3. Step 3: Cross multiply
    79,664.91x = 109,940.70 × 43,858.25
  4. Step 4: Simplify right side
    79,664.91x = 4,821,806,705.78
  5. Step 5: Solve for x
    x = 4,821,806,705.78/79,664.91
  6. Step 6: Final answer
    x = 60,526.10

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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.