Home / 77,907.06-116,790.66-27,975.60

Finding the Fourth Proportional to 77,907.06, 116,790.66 and 27,975.60

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Solution

The fourth proportional to 77,907.06, 116,790.66 and 27,975.60 is: 41,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,907.06 : 116,790.66 = 27,975.60 : x
  2. Step 2: Convert to fraction form
    77,907.06/116,790.66 = 27,975.60/x
  3. Step 3: Cross multiply
    77,907.06x = 116,790.66 × 27,975.60
  4. Step 4: Simplify right side
    77,907.06x = 3,267,288,787.90
  5. Step 5: Solve for x
    x = 3,267,288,787.90/77,907.06
  6. Step 6: Final answer
    x = 41,938.29

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1.5x scale

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.