Home / 71,192.16-98,245.20-39,361.04

Finding the Fourth Proportional to 71,192.16, 98,245.20 and 39,361.04

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Solution

The fourth proportional to 71,192.16, 98,245.20 and 39,361.04 is: 54,318.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,192.16 : 98,245.20 = 39,361.04 : x
  2. Step 2: Convert to fraction form
    71,192.16/98,245.20 = 39,361.04/x
  3. Step 3: Cross multiply
    71,192.16x = 98,245.20 × 39,361.04
  4. Step 4: Simplify right side
    71,192.16x = 3,867,033,247.01
  5. Step 5: Solve for x
    x = 3,867,033,247.01/71,192.16
  6. Step 6: Final answer
    x = 54,318.25

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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.