Home / 86,521.23-129,704.09-33,968.43

Finding the Fourth Proportional to 86,521.23, 129,704.09 and 33,968.43

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Solution

The fourth proportional to 86,521.23, 129,704.09 and 33,968.43 is: 50,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,521.23 : 129,704.09 = 33,968.43 : x
  2. Step 2: Convert to fraction form
    86,521.23/129,704.09 = 33,968.43/x
  3. Step 3: Cross multiply
    86,521.23x = 129,704.09 × 33,968.43
  4. Step 4: Simplify right side
    86,521.23x = 4,405,844,132.04
  5. Step 5: Solve for x
    x = 4,405,844,132.04/86,521.23
  6. Step 6: Final answer
    x = 50,922.12

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1.5x scale

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.