Home / 91,772.78-137,566.22-62,193.60

Finding the Fourth Proportional to 91,772.78, 137,566.22 and 62,193.60

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Solution

The fourth proportional to 91,772.78, 137,566.22 and 62,193.60 is: 93,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,772.78 : 137,566.22 = 62,193.60 : x
  2. Step 2: Convert to fraction form
    91,772.78/137,566.22 = 62,193.60/x
  3. Step 3: Cross multiply
    91,772.78x = 137,566.22 × 62,193.60
  4. Step 4: Simplify right side
    91,772.78x = 8,555,738,149.22
  5. Step 5: Solve for x
    x = 8,555,738,149.22/91,772.78
  6. Step 6: Final answer
    x = 93,227.41

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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.