Home / 85,627.33-118,189.49-49,824.28

Finding the Fourth Proportional to 85,627.33, 118,189.49 and 49,824.28

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Solution

The fourth proportional to 85,627.33, 118,189.49 and 49,824.28 is: 68,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,627.33 : 118,189.49 = 49,824.28 : x
  2. Step 2: Convert to fraction form
    85,627.33/118,189.49 = 49,824.28/x
  3. Step 3: Cross multiply
    85,627.33x = 118,189.49 × 49,824.28
  4. Step 4: Simplify right side
    85,627.33x = 5,888,705,993.70
  5. Step 5: Solve for x
    x = 5,888,705,993.70/85,627.33
  6. Step 6: Final answer
    x = 68,771.34

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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.