Home / 80,724.16-120,980.57-33,284.03

Finding the Fourth Proportional to 80,724.16, 120,980.57 and 33,284.03

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Solution

The fourth proportional to 80,724.16, 120,980.57 and 33,284.03 is: 49,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,724.16 : 120,980.57 = 33,284.03 : x
  2. Step 2: Convert to fraction form
    80,724.16/120,980.57 = 33,284.03/x
  3. Step 3: Cross multiply
    80,724.16x = 120,980.57 × 33,284.03
  4. Step 4: Simplify right side
    80,724.16x = 4,026,721,202.70
  5. Step 5: Solve for x
    x = 4,026,721,202.70/80,724.16
  6. Step 6: Final answer
    x = 49,882.48

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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.