Home / 79,072.80-109,122.04-43,263.58

Finding the Fourth Proportional to 79,072.80, 109,122.04 and 43,263.58

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Solution

The fourth proportional to 79,072.80, 109,122.04 and 43,263.58 is: 59,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,072.80 : 109,122.04 = 43,263.58 : x
  2. Step 2: Convert to fraction form
    79,072.80/109,122.04 = 43,263.58/x
  3. Step 3: Cross multiply
    79,072.80x = 109,122.04 × 43,263.58
  4. Step 4: Simplify right side
    79,072.80x = 4,721,010,107.30
  5. Step 5: Solve for x
    x = 4,721,010,107.30/79,072.80
  6. Step 6: Final answer
    x = 59,704.60

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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.