Home / 68,423.20-102,634.80-44,803.60

Finding the Fourth Proportional to 68,423.20, 102,634.80 and 44,803.60

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Solution

The fourth proportional to 68,423.20, 102,634.80 and 44,803.60 is: 67,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,423.20 : 102,634.80 = 44,803.60 : x
  2. Step 2: Convert to fraction form
    68,423.20/102,634.80 = 44,803.60/x
  3. Step 3: Cross multiply
    68,423.20x = 102,634.80 × 44,803.60
  4. Step 4: Simplify right side
    68,423.20x = 4,598,408,525.28
  5. Step 5: Solve for x
    x = 4,598,408,525.28/68,423.20
  6. Step 6: Final answer
    x = 67,205.40

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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.