Home / 66,933.41-92,367.34-38,638.49

Finding the Fourth Proportional to 66,933.41, 92,367.34 and 38,638.49

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Solution

The fourth proportional to 66,933.41, 92,367.34 and 38,638.49 is: 53,320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,933.41 : 92,367.34 = 38,638.49 : x
  2. Step 2: Convert to fraction form
    66,933.41/92,367.34 = 38,638.49/x
  3. Step 3: Cross multiply
    66,933.41x = 92,367.34 × 38,638.49
  4. Step 4: Simplify right side
    66,933.41x = 3,568,933,984.48
  5. Step 5: Solve for x
    x = 3,568,933,984.48/66,933.41
  6. Step 6: Final answer
    x = 53,320.67

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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.