Home / 71,185.12-98,232.41-40,949.84

Finding the Fourth Proportional to 71,185.12, 98,232.41 and 40,949.84

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Solution

The fourth proportional to 71,185.12, 98,232.41 and 40,949.84 is: 56,509.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,185.12 : 98,232.41 = 40,949.84 : x
  2. Step 2: Convert to fraction form
    71,185.12/98,232.41 = 40,949.84/x
  3. Step 3: Cross multiply
    71,185.12x = 98,232.41 × 40,949.84
  4. Step 4: Simplify right side
    71,185.12x = 4,022,601,820.27
  5. Step 5: Solve for x
    x = 4,022,601,820.27/71,185.12
  6. Step 6: Final answer
    x = 56,509.03

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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.