Home / 91,760.76-137,548.20-62,181.60

Finding the Fourth Proportional to 91,760.76, 137,548.20 and 62,181.60

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Solution

The fourth proportional to 91,760.76, 137,548.20 and 62,181.60 is: 93,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,760.76 : 137,548.20 = 62,181.60 : x
  2. Step 2: Convert to fraction form
    91,760.76/137,548.20 = 62,181.60/x
  3. Step 3: Cross multiply
    91,760.76x = 137,548.20 × 62,181.60
  4. Step 4: Simplify right side
    91,760.76x = 8,552,967,153.12
  5. Step 5: Solve for x
    x = 8,552,967,153.12/91,760.76
  6. Step 6: Final answer
    x = 93,209.42

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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.