Home / 85,135.83-117,527.25-49,318.85

Finding the Fourth Proportional to 85,135.83, 117,527.25 and 49,318.85

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Solution

The fourth proportional to 85,135.83, 117,527.25 and 49,318.85 is: 68,083.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,135.83 : 117,527.25 = 49,318.85 : x
  2. Step 2: Convert to fraction form
    85,135.83/117,527.25 = 49,318.85/x
  3. Step 3: Cross multiply
    85,135.83x = 117,527.25 × 49,318.85
  4. Step 4: Simplify right side
    85,135.83x = 5,796,308,226.03
  5. Step 5: Solve for x
    x = 5,796,308,226.03/85,135.83
  6. Step 6: Final answer
    x = 68,083.06

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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.