Home / 80,566.51-120,849.81-30,635.08

Finding the Fourth Proportional to 80,566.51, 120,849.81 and 30,635.08

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Solution

The fourth proportional to 80,566.51, 120,849.81 and 30,635.08 is: 45,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,566.51 : 120,849.81 = 30,635.08 : x
  2. Step 2: Convert to fraction form
    80,566.51/120,849.81 = 30,635.08/x
  3. Step 3: Cross multiply
    80,566.51x = 120,849.81 × 30,635.08
  4. Step 4: Simplify right side
    80,566.51x = 3,702,243,597.33
  5. Step 5: Solve for x
    x = 3,702,243,597.33/80,566.51
  6. Step 6: Final answer
    x = 45,952.64

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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.