Home / 86,727.58-130,112.08-27,563.36

Finding the Fourth Proportional to 86,727.58, 130,112.08 and 27,563.36

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Solution

The fourth proportional to 86,727.58, 130,112.08 and 27,563.36 is: 41,351.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,727.58 : 130,112.08 = 27,563.36 : x
  2. Step 2: Convert to fraction form
    86,727.58/130,112.08 = 27,563.36/x
  3. Step 3: Cross multiply
    86,727.58x = 130,112.08 × 27,563.36
  4. Step 4: Simplify right side
    86,727.58x = 3,586,325,869.84
  5. Step 5: Solve for x
    x = 3,586,325,869.84/86,727.58
  6. Step 6: Final answer
    x = 41,351.62

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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.