Home / 68,781.85-94,878.63-43,247.75

Finding the Fourth Proportional to 68,781.85, 94,878.63 and 43,247.75

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Solution

The fourth proportional to 68,781.85, 94,878.63 and 43,247.75 is: 59,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,781.85 : 94,878.63 = 43,247.75 : x
  2. Step 2: Convert to fraction form
    68,781.85/94,878.63 = 43,247.75/x
  3. Step 3: Cross multiply
    68,781.85x = 94,878.63 × 43,247.75
  4. Step 4: Simplify right side
    68,781.85x = 4,103,286,796.19
  5. Step 5: Solve for x
    x = 4,103,286,796.19/68,781.85
  6. Step 6: Final answer
    x = 59,656.54

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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.