Home / 76,827.75-106,022.30-41,499.75

Finding the Fourth Proportional to 76,827.75, 106,022.30 and 41,499.75

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Solution

The fourth proportional to 76,827.75, 106,022.30 and 41,499.75 is: 57,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,827.75 : 106,022.30 = 41,499.75 : x
  2. Step 2: Convert to fraction form
    76,827.75/106,022.30 = 41,499.75/x
  3. Step 3: Cross multiply
    76,827.75x = 106,022.30 × 41,499.75
  4. Step 4: Simplify right side
    76,827.75x = 4,399,898,736.93
  5. Step 5: Solve for x
    x = 4,399,898,736.93/76,827.75
  6. Step 6: Final answer
    x = 57,269.66

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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.