Home / 80,504.06-120,756.11-25,100.06

Finding the Fourth Proportional to 80,504.06, 120,756.11 and 25,100.06

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Solution

The fourth proportional to 80,504.06, 120,756.11 and 25,100.06 is: 37,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,504.06 : 120,756.11 = 25,100.06 : x
  2. Step 2: Convert to fraction form
    80,504.06/120,756.11 = 25,100.06/x
  3. Step 3: Cross multiply
    80,504.06x = 120,756.11 × 25,100.06
  4. Step 4: Simplify right side
    80,504.06x = 3,030,985,782.76
  5. Step 5: Solve for x
    x = 3,030,985,782.76/80,504.06
  6. Step 6: Final answer
    x = 37,650.10

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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.