Home / 74,638.54-111,694.86-46,571.82

Finding the Fourth Proportional to 74,638.54, 111,694.86 and 46,571.82

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Solution

The fourth proportional to 74,638.54, 111,694.86 and 46,571.82 is: 69,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,638.54 : 111,694.86 = 46,571.82 : x
  2. Step 2: Convert to fraction form
    74,638.54/111,694.86 = 46,571.82/x
  3. Step 3: Cross multiply
    74,638.54x = 111,694.86 × 46,571.82
  4. Step 4: Simplify right side
    74,638.54x = 5,201,832,914.85
  5. Step 5: Solve for x
    x = 5,201,832,914.85/74,638.54
  6. Step 6: Final answer
    x = 69,693.66

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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.