Home / 80,075.16-120,111.22-23,915.43

Finding the Fourth Proportional to 80,075.16, 120,111.22 and 23,915.43

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Solution

The fourth proportional to 80,075.16, 120,111.22 and 23,915.43 is: 35,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,075.16 : 120,111.22 = 23,915.43 : x
  2. Step 2: Convert to fraction form
    80,075.16/120,111.22 = 23,915.43/x
  3. Step 3: Cross multiply
    80,075.16x = 120,111.22 × 23,915.43
  4. Step 4: Simplify right side
    80,075.16x = 2,872,511,474.12
  5. Step 5: Solve for x
    x = 2,872,511,474.12/80,075.16
  6. Step 6: Final answer
    x = 35,872.69

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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.