Home / 67,096.46-100,638.21-20,349.74

Finding the Fourth Proportional to 67,096.46, 100,638.21 and 20,349.74

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Solution

The fourth proportional to 67,096.46, 100,638.21 and 20,349.74 is: 30,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,096.46 : 100,638.21 = 20,349.74 : x
  2. Step 2: Convert to fraction form
    67,096.46/100,638.21 = 20,349.74/x
  3. Step 3: Cross multiply
    67,096.46x = 100,638.21 × 20,349.74
  4. Step 4: Simplify right side
    67,096.46x = 2,047,961,407.57
  5. Step 5: Solve for x
    x = 2,047,961,407.57/67,096.46
  6. Step 6: Final answer
    x = 30,522.64

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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.