Home / 80,840.22-111,560.66-46,390.57

Finding the Fourth Proportional to 80,840.22, 111,560.66 and 46,390.57

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Solution

The fourth proportional to 80,840.22, 111,560.66 and 46,390.57 is: 64,019.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,840.22 : 111,560.66 = 46,390.57 : x
  2. Step 2: Convert to fraction form
    80,840.22/111,560.66 = 46,390.57/x
  3. Step 3: Cross multiply
    80,840.22x = 111,560.66 × 46,390.57
  4. Step 4: Simplify right side
    80,840.22x = 5,175,362,049.17
  5. Step 5: Solve for x
    x = 5,175,362,049.17/80,840.22
  6. Step 6: Final answer
    x = 64,019.64

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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.