Home / 85,202.96-117,580.55-49,414.19

Finding the Fourth Proportional to 85,202.96, 117,580.55 and 49,414.19

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Solution

The fourth proportional to 85,202.96, 117,580.55 and 49,414.19 is: 68,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,202.96 : 117,580.55 = 49,414.19 : x
  2. Step 2: Convert to fraction form
    85,202.96/117,580.55 = 49,414.19/x
  3. Step 3: Cross multiply
    85,202.96x = 117,580.55 × 49,414.19
  4. Step 4: Simplify right side
    85,202.96x = 5,810,146,803.03
  5. Step 5: Solve for x
    x = 5,810,146,803.03/85,202.96
  6. Step 6: Final answer
    x = 68,191.85

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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.