Home / 79,669.13-109,942.80-43,859.75

Finding the Fourth Proportional to 79,669.13, 109,942.80 and 43,859.75

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Solution

The fourth proportional to 79,669.13, 109,942.80 and 43,859.75 is: 60,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,669.13 : 109,942.80 = 43,859.75 : x
  2. Step 2: Convert to fraction form
    79,669.13/109,942.80 = 43,859.75/x
  3. Step 3: Cross multiply
    79,669.13x = 109,942.80 × 43,859.75
  4. Step 4: Simplify right side
    79,669.13x = 4,822,063,722.30
  5. Step 5: Solve for x
    x = 4,822,063,722.30/79,669.13
  6. Step 6: Final answer
    x = 60,526.13

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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.