Home / 80,704.23-121,075.79-25,300.23

Finding the Fourth Proportional to 80,704.23, 121,075.79 and 25,300.23

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Solution

The fourth proportional to 80,704.23, 121,075.79 and 25,300.23 is: 37,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,704.23 : 121,075.79 = 25,300.23 : x
  2. Step 2: Convert to fraction form
    80,704.23/121,075.79 = 25,300.23/x
  3. Step 3: Cross multiply
    80,704.23x = 121,075.79 × 25,300.23
  4. Step 4: Simplify right side
    80,704.23x = 3,063,245,207.93
  5. Step 5: Solve for x
    x = 3,063,245,207.93/80,704.23
  6. Step 6: Final answer
    x = 37,956.44

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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.