Home / 80,541.57-120,795.93-30,604.14

Finding the Fourth Proportional to 80,541.57, 120,795.93 and 30,604.14

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Solution

The fourth proportional to 80,541.57, 120,795.93 and 30,604.14 is: 45,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,541.57 : 120,795.93 = 30,604.14 : x
  2. Step 2: Convert to fraction form
    80,541.57/120,795.93 = 30,604.14/x
  3. Step 3: Cross multiply
    80,541.57x = 120,795.93 × 30,604.14
  4. Step 4: Simplify right side
    80,541.57x = 3,696,855,553.15
  5. Step 5: Solve for x
    x = 3,696,855,553.15/80,541.57
  6. Step 6: Final answer
    x = 45,899.97

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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.