Home / 86,976.29-130,426.47-30,797.73

Finding the Fourth Proportional to 86,976.29, 130,426.47 and 30,797.73

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Solution

The fourth proportional to 86,976.29, 130,426.47 and 30,797.73 is: 46,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,976.29 : 130,426.47 = 30,797.73 : x
  2. Step 2: Convert to fraction form
    86,976.29/130,426.47 = 30,797.73/x
  3. Step 3: Cross multiply
    86,976.29x = 130,426.47 × 30,797.73
  4. Step 4: Simplify right side
    86,976.29x = 4,016,839,207.91
  5. Step 5: Solve for x
    x = 4,016,839,207.91/86,976.29
  6. Step 6: Final answer
    x = 46,183.15

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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.