Home / 67,450.74-101,176.05-20,065.64

Finding the Fourth Proportional to 67,450.74, 101,176.05 and 20,065.64

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Solution

The fourth proportional to 67,450.74, 101,176.05 and 20,065.64 is: 30,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,450.74 : 101,176.05 = 20,065.64 : x
  2. Step 2: Convert to fraction form
    67,450.74/101,176.05 = 20,065.64/x
  3. Step 3: Cross multiply
    67,450.74x = 101,176.05 × 20,065.64
  4. Step 4: Simplify right side
    67,450.74x = 2,030,162,195.92
  5. Step 5: Solve for x
    x = 2,030,162,195.92/67,450.74
  6. Step 6: Final answer
    x = 30,098.44

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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.