Home / 97,328.20-146,040.90-55,240.60

Finding the Fourth Proportional to 97,328.20, 146,040.90 and 55,240.60

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Solution

The fourth proportional to 97,328.20, 146,040.90 and 55,240.60 is: 82,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,328.20 : 146,040.90 = 55,240.60 : x
  2. Step 2: Convert to fraction form
    97,328.20/146,040.90 = 55,240.60/x
  3. Step 3: Cross multiply
    97,328.20x = 146,040.90 × 55,240.60
  4. Step 4: Simplify right side
    97,328.20x = 8,067,386,940.54
  5. Step 5: Solve for x
    x = 8,067,386,940.54/97,328.20
  6. Step 6: Final answer
    x = 82,888.48

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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.