Home / 85,815.24-118,361.82-50,003.11

Finding the Fourth Proportional to 85,815.24, 118,361.82 and 50,003.11

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Solution

The fourth proportional to 85,815.24, 118,361.82 and 50,003.11 is: 68,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,815.24 : 118,361.82 = 50,003.11 : x
  2. Step 2: Convert to fraction form
    85,815.24/118,361.82 = 50,003.11/x
  3. Step 3: Cross multiply
    85,815.24x = 118,361.82 × 50,003.11
  4. Step 4: Simplify right side
    85,815.24x = 5,918,459,105.26
  5. Step 5: Solve for x
    x = 5,918,459,105.26/85,815.24
  6. Step 6: Final answer
    x = 68,967.46

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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.