Home / 91,770.26-137,628.93-25,212.56

Finding the Fourth Proportional to 91,770.26, 137,628.93 and 25,212.56

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Solution

The fourth proportional to 91,770.26, 137,628.93 and 25,212.56 is: 37,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,770.26 : 137,628.93 = 25,212.56 : x
  2. Step 2: Convert to fraction form
    91,770.26/137,628.93 = 25,212.56/x
  3. Step 3: Cross multiply
    91,770.26x = 137,628.93 × 25,212.56
  4. Step 4: Simplify right side
    91,770.26x = 3,469,977,655.36
  5. Step 5: Solve for x
    x = 3,469,977,655.36/91,770.26
  6. Step 6: Final answer
    x = 37,811.57

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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.