Home / 85,364.36-117,791.22-49,548.68

Finding the Fourth Proportional to 85,364.36, 117,791.22 and 49,548.68

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Solution

The fourth proportional to 85,364.36, 117,791.22 and 49,548.68 is: 68,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,364.36 : 117,791.22 = 49,548.68 : x
  2. Step 2: Convert to fraction form
    85,364.36/117,791.22 = 49,548.68/x
  3. Step 3: Cross multiply
    85,364.36x = 117,791.22 × 49,548.68
  4. Step 4: Simplify right side
    85,364.36x = 5,836,399,466.59
  5. Step 5: Solve for x
    x = 5,836,399,466.59/85,364.36
  6. Step 6: Final answer
    x = 68,370.45

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1.5x scale

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.