Home / 79,028.38-118,517.96-26,425.56

Finding the Fourth Proportional to 79,028.38, 118,517.96 and 26,425.56

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Solution

The fourth proportional to 79,028.38, 118,517.96 and 26,425.56 is: 39,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,028.38 : 118,517.96 = 26,425.56 : x
  2. Step 2: Convert to fraction form
    79,028.38/118,517.96 = 26,425.56/x
  3. Step 3: Cross multiply
    79,028.38x = 118,517.96 × 26,425.56
  4. Step 4: Simplify right side
    79,028.38x = 3,131,903,463.06
  5. Step 5: Solve for x
    x = 3,131,903,463.06/79,028.38
  6. Step 6: Final answer
    x = 39,630.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.