Home / 57,972.06-86,844.84-39,957.09

Finding the Fourth Proportional to 57,972.06, 86,844.84 and 39,957.09

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Solution

The fourth proportional to 57,972.06, 86,844.84 and 39,957.09 is: 59,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,972.06 : 86,844.84 = 39,957.09 : x
  2. Step 2: Convert to fraction form
    57,972.06/86,844.84 = 39,957.09/x
  3. Step 3: Cross multiply
    57,972.06x = 86,844.84 × 39,957.09
  4. Step 4: Simplify right side
    57,972.06x = 3,470,067,193.80
  5. Step 5: Solve for x
    x = 3,470,067,193.80/57,972.06
  6. Step 6: Final answer
    x = 59,857.58

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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.