Home / 74,504.28-111,865.78-46,543.48

Finding the Fourth Proportional to 74,504.28, 111,865.78 and 46,543.48

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Solution

The fourth proportional to 74,504.28, 111,865.78 and 46,543.48 is: 69,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,504.28 : 111,865.78 = 46,543.48 : x
  2. Step 2: Convert to fraction form
    74,504.28/111,865.78 = 46,543.48/x
  3. Step 3: Cross multiply
    74,504.28x = 111,865.78 × 46,543.48
  4. Step 4: Simplify right side
    74,504.28x = 5,206,622,694.11
  5. Step 5: Solve for x
    x = 5,206,622,694.11/74,504.28
  6. Step 6: Final answer
    x = 69,883.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.