Home / 71,014.64-98,000.21-39,183.55

Finding the Fourth Proportional to 71,014.64, 98,000.21 and 39,183.55

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Solution

The fourth proportional to 71,014.64, 98,000.21 and 39,183.55 is: 54,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,014.64 : 98,000.21 = 39,183.55 : x
  2. Step 2: Convert to fraction form
    71,014.64/98,000.21 = 39,183.55/x
  3. Step 3: Cross multiply
    71,014.64x = 98,000.21 × 39,183.55
  4. Step 4: Simplify right side
    71,014.64x = 3,839,995,981.50
  5. Step 5: Solve for x
    x = 3,839,995,981.50/71,014.64
  6. Step 6: Final answer
    x = 54,073.30

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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.