Home / 47,705.76-71,552.16-18,131.04

Finding the Fourth Proportional to 47,705.76, 71,552.16 and 18,131.04

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Solution

The fourth proportional to 47,705.76, 71,552.16 and 18,131.04 is: 27,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,705.76 : 71,552.16 = 18,131.04 : x
  2. Step 2: Convert to fraction form
    47,705.76/71,552.16 = 18,131.04/x
  3. Step 3: Cross multiply
    47,705.76x = 71,552.16 × 18,131.04
  4. Step 4: Simplify right side
    47,705.76x = 1,297,315,075.05
  5. Step 5: Solve for x
    x = 1,297,315,075.05/47,705.76
  6. Step 6: Final answer
    x = 27,194.10

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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.