Home / 67,828.20-101,742.30-34,650.60

Finding the Fourth Proportional to 67,828.20, 101,742.30 and 34,650.60

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Solution

The fourth proportional to 67,828.20, 101,742.30 and 34,650.60 is: 51,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,828.20 : 101,742.30 = 34,650.60 : x
  2. Step 2: Convert to fraction form
    67,828.20/101,742.30 = 34,650.60/x
  3. Step 3: Cross multiply
    67,828.20x = 101,742.30 × 34,650.60
  4. Step 4: Simplify right side
    67,828.20x = 3,525,431,740.38
  5. Step 5: Solve for x
    x = 3,525,431,740.38/67,828.20
  6. Step 6: Final answer
    x = 51,975.90

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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.