Home / 86,571.37-129,844.58-23,395.09

Finding the Fourth Proportional to 86,571.37, 129,844.58 and 23,395.09

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Solution

The fourth proportional to 86,571.37, 129,844.58 and 23,395.09 is: 35,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,571.37 : 129,844.58 = 23,395.09 : x
  2. Step 2: Convert to fraction form
    86,571.37/129,844.58 = 23,395.09/x
  3. Step 3: Cross multiply
    86,571.37x = 129,844.58 × 23,395.09
  4. Step 4: Simplify right side
    86,571.37x = 3,037,725,784.07
  5. Step 5: Solve for x
    x = 3,037,725,784.07/86,571.37
  6. Step 6: Final answer
    x = 35,089.27

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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.