Home / 53,583.62-80,376.10-36,939.20

Finding the Fourth Proportional to 53,583.62, 80,376.10 and 36,939.20

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Solution

The fourth proportional to 53,583.62, 80,376.10 and 36,939.20 is: 55,409.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,583.62 : 80,376.10 = 36,939.20 : x
  2. Step 2: Convert to fraction form
    53,583.62/80,376.10 = 36,939.20/x
  3. Step 3: Cross multiply
    53,583.62x = 80,376.10 × 36,939.20
  4. Step 4: Simplify right side
    53,583.62x = 2,969,028,338.89
  5. Step 5: Solve for x
    x = 2,969,028,338.89/53,583.62
  6. Step 6: Final answer
    x = 55,409.26

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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.