Home / 80,604.23-120,907.51-30,687.07

Finding the Fourth Proportional to 80,604.23, 120,907.51 and 30,687.07

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Solution

The fourth proportional to 80,604.23, 120,907.51 and 30,687.07 is: 46,031.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,604.23 : 120,907.51 = 30,687.07 : x
  2. Step 2: Convert to fraction form
    80,604.23/120,907.51 = 30,687.07/x
  3. Step 3: Cross multiply
    80,604.23x = 120,907.51 × 30,687.07
  4. Step 4: Simplify right side
    80,604.23x = 3,710,296,730.56
  5. Step 5: Solve for x
    x = 3,710,296,730.56/80,604.23
  6. Step 6: Final answer
    x = 46,031.04

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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.