Home / 85,464.74-117,912.47-49,625.28

Finding the Fourth Proportional to 85,464.74, 117,912.47 and 49,625.28

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Solution

The fourth proportional to 85,464.74, 117,912.47 and 49,625.28 is: 68,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,464.74 : 117,912.47 = 49,625.28 : x
  2. Step 2: Convert to fraction form
    85,464.74/117,912.47 = 49,625.28/x
  3. Step 3: Cross multiply
    85,464.74x = 117,912.47 × 49,625.28
  4. Step 4: Simplify right side
    85,464.74x = 5,851,439,091.12
  5. Step 5: Solve for x
    x = 5,851,439,091.12/85,464.74
  6. Step 6: Final answer
    x = 68,466.12

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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.