Home / 54,468.09-74,995.09-49,485.69

Finding the Fourth Proportional to 54,468.09, 74,995.09 and 49,485.69

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Solution

The fourth proportional to 54,468.09, 74,995.09 and 49,485.69 is: 68,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,468.09 : 74,995.09 = 49,485.69 : x
  2. Step 2: Convert to fraction form
    54,468.09/74,995.09 = 49,485.69/x
  3. Step 3: Cross multiply
    54,468.09x = 74,995.09 × 49,485.69
  4. Step 4: Simplify right side
    54,468.09x = 3,711,183,651.55
  5. Step 5: Solve for x
    x = 3,711,183,651.55/54,468.09
  6. Step 6: Final answer
    x = 68,135.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.