Home / 71,014.96-98,000.57-39,183.86

Finding the Fourth Proportional to 71,014.96, 98,000.57 and 39,183.86

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Solution

The fourth proportional to 71,014.96, 98,000.57 and 39,183.86 is: 54,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,014.96 : 98,000.57 = 39,183.86 : x
  2. Step 2: Convert to fraction form
    71,014.96/98,000.57 = 39,183.86/x
  3. Step 3: Cross multiply
    71,014.96x = 98,000.57 × 39,183.86
  4. Step 4: Simplify right side
    71,014.96x = 3,840,039,928.88
  5. Step 5: Solve for x
    x = 3,840,039,928.88/71,014.96
  6. Step 6: Final answer
    x = 54,073.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.