Home / 75,234.20-112,851.30-19,074.20

Finding the Fourth Proportional to 75,234.20, 112,851.30 and 19,074.20

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Solution

The fourth proportional to 75,234.20, 112,851.30 and 19,074.20 is: 28,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,234.20 : 112,851.30 = 19,074.20 : x
  2. Step 2: Convert to fraction form
    75,234.20/112,851.30 = 19,074.20/x
  3. Step 3: Cross multiply
    75,234.20x = 112,851.30 × 19,074.20
  4. Step 4: Simplify right side
    75,234.20x = 2,152,548,266.46
  5. Step 5: Solve for x
    x = 2,152,548,266.46/75,234.20
  6. Step 6: Final answer
    x = 28,611.30

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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.