Home / 86,936.05-130,371.68-34,334.65

Finding the Fourth Proportional to 86,936.05, 130,371.68 and 34,334.65

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Solution

The fourth proportional to 86,936.05, 130,371.68 and 34,334.65 is: 51,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,936.05 : 130,371.68 = 34,334.65 : x
  2. Step 2: Convert to fraction form
    86,936.05/130,371.68 = 34,334.65/x
  3. Step 3: Cross multiply
    86,936.05x = 130,371.68 × 34,334.65
  4. Step 4: Simplify right side
    86,936.05x = 4,476,265,831.04
  5. Step 5: Solve for x
    x = 4,476,265,831.04/86,936.05
  6. Step 6: Final answer
    x = 51,489.18

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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.