Home / 80,704.32-121,075.92-25,300.32

Finding the Fourth Proportional to 80,704.32, 121,075.92 and 25,300.32

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Solution

The fourth proportional to 80,704.32, 121,075.92 and 25,300.32 is: 37,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,704.32 : 121,075.92 = 25,300.32 : x
  2. Step 2: Convert to fraction form
    80,704.32/121,075.92 = 25,300.32/x
  3. Step 3: Cross multiply
    80,704.32x = 121,075.92 × 25,300.32
  4. Step 4: Simplify right side
    80,704.32x = 3,063,259,520.29
  5. Step 5: Solve for x
    x = 3,063,259,520.29/80,704.32
  6. Step 6: Final answer
    x = 37,956.57

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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.