Home / 69,983.40-104,858.10-49,169.64

Finding the Fourth Proportional to 69,983.40, 104,858.10 and 49,169.64

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Solution

The fourth proportional to 69,983.40, 104,858.10 and 49,169.64 is: 73,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,983.40 : 104,858.10 = 49,169.64 : x
  2. Step 2: Convert to fraction form
    69,983.40/104,858.10 = 49,169.64/x
  3. Step 3: Cross multiply
    69,983.40x = 104,858.10 × 49,169.64
  4. Step 4: Simplify right side
    69,983.40x = 5,155,835,028.08
  5. Step 5: Solve for x
    x = 5,155,835,028.08/69,983.40
  6. Step 6: Final answer
    x = 73,672.26

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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.