Home / 69,620.60-104,345.40-27,458.36

Finding the Fourth Proportional to 69,620.60, 104,345.40 and 27,458.36

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Solution

The fourth proportional to 69,620.60, 104,345.40 and 27,458.36 is: 41,153.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,620.60 : 104,345.40 = 27,458.36 : x
  2. Step 2: Convert to fraction form
    69,620.60/104,345.40 = 27,458.36/x
  3. Step 3: Cross multiply
    69,620.60x = 104,345.40 × 27,458.36
  4. Step 4: Simplify right side
    69,620.60x = 2,865,153,557.54
  5. Step 5: Solve for x
    x = 2,865,153,557.54/69,620.60
  6. Step 6: Final answer
    x = 41,153.82

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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.