Home / 91,370.24-137,020.80-35,936

Finding the Fourth Proportional to 91,370.24, 137,020.80 and 35,936

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Solution

The fourth proportional to 91,370.24, 137,020.80 and 35,936 is: 53,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,370.24 : 137,020.80 = 35,936 : x
  2. Step 2: Convert to fraction form
    91,370.24/137,020.80 = 35,936/x
  3. Step 3: Cross multiply
    91,370.24x = 137,020.80 × 35,936
  4. Step 4: Simplify right side
    91,370.24x = 4,923,979,468.80
  5. Step 5: Solve for x
    x = 4,923,979,468.80/91,370.24
  6. Step 6: Final answer
    x = 53,890.41

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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.