Home / 71,481.33-98,631-46,316.25

Finding the Fourth Proportional to 71,481.33, 98,631 and 46,316.25

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Solution

The fourth proportional to 71,481.33, 98,631 and 46,316.25 is: 63,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,481.33 : 98,631 = 46,316.25 : x
  2. Step 2: Convert to fraction form
    71,481.33/98,631 = 46,316.25/x
  3. Step 3: Cross multiply
    71,481.33x = 98,631 × 46,316.25
  4. Step 4: Simplify right side
    71,481.33x = 4,568,218,053.75
  5. Step 5: Solve for x
    x = 4,568,218,053.75/71,481.33
  6. Step 6: Final answer
    x = 63,907.85

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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.