Home / 85,365.36-117,792.60-49,549.68

Finding the Fourth Proportional to 85,365.36, 117,792.60 and 49,549.68

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Solution

The fourth proportional to 85,365.36, 117,792.60 and 49,549.68 is: 68,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,365.36 : 117,792.60 = 49,549.68 : x
  2. Step 2: Convert to fraction form
    85,365.36/117,792.60 = 49,549.68/x
  3. Step 3: Cross multiply
    85,365.36x = 117,792.60 × 49,549.68
  4. Step 4: Simplify right side
    85,365.36x = 5,836,585,636.37
  5. Step 5: Solve for x
    x = 5,836,585,636.37/85,365.36
  6. Step 6: Final answer
    x = 68,371.83

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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.