Home / 67,113.15-100,450.65-49,339.09

Finding the Fourth Proportional to 67,113.15, 100,450.65 and 49,339.09

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Solution

The fourth proportional to 67,113.15, 100,450.65 and 49,339.09 is: 73,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,113.15 : 100,450.65 = 49,339.09 : x
  2. Step 2: Convert to fraction form
    67,113.15/100,450.65 = 49,339.09/x
  3. Step 3: Cross multiply
    67,113.15x = 100,450.65 × 49,339.09
  4. Step 4: Simplify right side
    67,113.15x = 4,956,143,660.91
  5. Step 5: Solve for x
    x = 4,956,143,660.91/67,113.15
  6. Step 6: Final answer
    x = 73,847.58

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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.