Home / 66,939.75-92,378.07-36,726.62

Finding the Fourth Proportional to 66,939.75, 92,378.07 and 36,726.62

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Solution

The fourth proportional to 66,939.75, 92,378.07 and 36,726.62 is: 50,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,939.75 : 92,378.07 = 36,726.62 : x
  2. Step 2: Convert to fraction form
    66,939.75/92,378.07 = 36,726.62/x
  3. Step 3: Cross multiply
    66,939.75x = 92,378.07 × 36,726.62
  4. Step 4: Simplify right side
    66,939.75x = 3,392,733,811.33
  5. Step 5: Solve for x
    x = 3,392,733,811.33/66,939.75
  6. Step 6: Final answer
    x = 50,683.40

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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.