Home / 80,074.16-120,109.72-23,914.43

Finding the Fourth Proportional to 80,074.16, 120,109.72 and 23,914.43

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Solution

The fourth proportional to 80,074.16, 120,109.72 and 23,914.43 is: 35,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,074.16 : 120,109.72 = 23,914.43 : x
  2. Step 2: Convert to fraction form
    80,074.16/120,109.72 = 23,914.43/x
  3. Step 3: Cross multiply
    80,074.16x = 120,109.72 × 23,914.43
  4. Step 4: Simplify right side
    80,074.16x = 2,872,355,326.18
  5. Step 5: Solve for x
    x = 2,872,355,326.18/80,074.16
  6. Step 6: Final answer
    x = 35,871.19

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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.