Home / 66,771.48-92,141.73-36,556.86

Finding the Fourth Proportional to 66,771.48, 92,141.73 and 36,556.86

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Solution

The fourth proportional to 66,771.48, 92,141.73 and 36,556.86 is: 50,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,771.48 : 92,141.73 = 36,556.86 : x
  2. Step 2: Convert to fraction form
    66,771.48/92,141.73 = 36,556.86/x
  3. Step 3: Cross multiply
    66,771.48x = 92,141.73 × 36,556.86
  4. Step 4: Simplify right side
    66,771.48x = 3,368,412,323.77
  5. Step 5: Solve for x
    x = 3,368,412,323.77/66,771.48
  6. Step 6: Final answer
    x = 50,446.87

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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.