Home / 55,654.08-83,481.12-33,720

Finding the Fourth Proportional to 55,654.08, 83,481.12 and 33,720

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Solution

The fourth proportional to 55,654.08, 83,481.12 and 33,720 is: 50,580.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,654.08 : 83,481.12 = 33,720 : x
  2. Step 2: Convert to fraction form
    55,654.08/83,481.12 = 33,720/x
  3. Step 3: Cross multiply
    55,654.08x = 83,481.12 × 33,720
  4. Step 4: Simplify right side
    55,654.08x = 2,814,983,366.40
  5. Step 5: Solve for x
    x = 2,814,983,366.40/55,654.08
  6. Step 6: Final answer
    x = 50,580.00

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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.