Home / 86,815.80-130,108.68-44,694.18

Finding the Fourth Proportional to 86,815.80, 130,108.68 and 44,694.18

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Solution

The fourth proportional to 86,815.80, 130,108.68 and 44,694.18 is: 66,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,815.80 : 130,108.68 = 44,694.18 : x
  2. Step 2: Convert to fraction form
    86,815.80/130,108.68 = 44,694.18/x
  3. Step 3: Cross multiply
    86,815.80x = 130,108.68 × 44,694.18
  4. Step 4: Simplify right side
    86,815.80x = 5,815,100,763.48
  5. Step 5: Solve for x
    x = 5,815,100,763.48/86,815.80
  6. Step 6: Final answer
    x = 66,982.06

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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.