Home / 86,964.24-130,382.46-27,765.84

Finding the Fourth Proportional to 86,964.24, 130,382.46 and 27,765.84

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Solution

The fourth proportional to 86,964.24, 130,382.46 and 27,765.84 is: 41,628.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,964.24 : 130,382.46 = 27,765.84 : x
  2. Step 2: Convert to fraction form
    86,964.24/130,382.46 = 27,765.84/x
  3. Step 3: Cross multiply
    86,964.24x = 130,382.46 × 27,765.84
  4. Step 4: Simplify right side
    86,964.24x = 3,620,178,523.17
  5. Step 5: Solve for x
    x = 3,620,178,523.17/86,964.24
  6. Step 6: Final answer
    x = 41,628.36

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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.