Home / 69,976.10-104,876.47-49,954.12

Finding the Fourth Proportional to 69,976.10, 104,876.47 and 49,954.12

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Solution

The fourth proportional to 69,976.10, 104,876.47 and 49,954.12 is: 74,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,976.10 : 104,876.47 = 49,954.12 : x
  2. Step 2: Convert to fraction form
    69,976.10/104,876.47 = 49,954.12/x
  3. Step 3: Cross multiply
    69,976.10x = 104,876.47 × 49,954.12
  4. Step 4: Simplify right side
    69,976.10x = 5,239,011,567.81
  5. Step 5: Solve for x
    x = 5,239,011,567.81/69,976.10
  6. Step 6: Final answer
    x = 74,868.58

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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.