Home / 49,399.64-74,086.24-13,858.84

Finding the Fourth Proportional to 49,399.64, 74,086.24 and 13,858.84

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Solution

The fourth proportional to 49,399.64, 74,086.24 and 13,858.84 is: 20,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,399.64 : 74,086.24 = 13,858.84 : x
  2. Step 2: Convert to fraction form
    49,399.64/74,086.24 = 13,858.84/x
  3. Step 3: Cross multiply
    49,399.64x = 74,086.24 × 13,858.84
  4. Step 4: Simplify right side
    49,399.64x = 1,026,749,346.36
  5. Step 5: Solve for x
    x = 1,026,749,346.36/49,399.64
  6. Step 6: Final answer
    x = 20,784.55

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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.