Home / 45,741.20-68,611.80-44,819.60

Finding the Fourth Proportional to 45,741.20, 68,611.80 and 44,819.60

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Solution

The fourth proportional to 45,741.20, 68,611.80 and 44,819.60 is: 67,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,741.20 : 68,611.80 = 44,819.60 : x
  2. Step 2: Convert to fraction form
    45,741.20/68,611.80 = 44,819.60/x
  3. Step 3: Cross multiply
    45,741.20x = 68,611.80 × 44,819.60
  4. Step 4: Simplify right side
    45,741.20x = 3,075,153,431.28
  5. Step 5: Solve for x
    x = 3,075,153,431.28/45,741.20
  6. Step 6: Final answer
    x = 67,229.40

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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.