Home / 84,918.57-117,185.09-48,618.81

Finding the Fourth Proportional to 84,918.57, 117,185.09 and 48,618.81

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Solution

The fourth proportional to 84,918.57, 117,185.09 and 48,618.81 is: 67,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,918.57 : 117,185.09 = 48,618.81 : x
  2. Step 2: Convert to fraction form
    84,918.57/117,185.09 = 48,618.81/x
  3. Step 3: Cross multiply
    84,918.57x = 117,185.09 × 48,618.81
  4. Step 4: Simplify right side
    84,918.57x = 5,697,399,625.54
  5. Step 5: Solve for x
    x = 5,697,399,625.54/84,918.57
  6. Step 6: Final answer
    x = 67,092.51

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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.