Home / 84,912.93-117,180.41-53,100.45

Finding the Fourth Proportional to 84,912.93, 117,180.41 and 53,100.45

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Solution

The fourth proportional to 84,912.93, 117,180.41 and 53,100.45 is: 73,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,912.93 : 117,180.41 = 53,100.45 : x
  2. Step 2: Convert to fraction form
    84,912.93/117,180.41 = 53,100.45/x
  3. Step 3: Cross multiply
    84,912.93x = 117,180.41 × 53,100.45
  4. Step 4: Simplify right side
    84,912.93x = 6,222,332,236.68
  5. Step 5: Solve for x
    x = 6,222,332,236.68/84,912.93
  6. Step 6: Final answer
    x = 73,278.97

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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.