Home / 86,979.03-130,469.15-23,797.81

Finding the Fourth Proportional to 86,979.03, 130,469.15 and 23,797.81

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Solution

The fourth proportional to 86,979.03, 130,469.15 and 23,797.81 is: 35,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,979.03 : 130,469.15 = 23,797.81 : x
  2. Step 2: Convert to fraction form
    86,979.03/130,469.15 = 23,797.81/x
  3. Step 3: Cross multiply
    86,979.03x = 130,469.15 × 23,797.81
  4. Step 4: Simplify right side
    86,979.03x = 3,104,880,042.56
  5. Step 5: Solve for x
    x = 3,104,880,042.56/86,979.03
  6. Step 6: Final answer
    x = 35,696.88

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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.