Home / 53,629.08-80,425.89-18,080.81

Finding the Fourth Proportional to 53,629.08, 80,425.89 and 18,080.81

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Solution

The fourth proportional to 53,629.08, 80,425.89 and 18,080.81 is: 27,115.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,629.08 : 80,425.89 = 18,080.81 : x
  2. Step 2: Convert to fraction form
    53,629.08/80,425.89 = 18,080.81/x
  3. Step 3: Cross multiply
    53,629.08x = 80,425.89 × 18,080.81
  4. Step 4: Simplify right side
    53,629.08x = 1,454,165,236.17
  5. Step 5: Solve for x
    x = 1,454,165,236.17/53,629.08
  6. Step 6: Final answer
    x = 27,115.24

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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.