Home / 66,960.36-92,406.69-36,743.92

Finding the Fourth Proportional to 66,960.36, 92,406.69 and 36,743.92

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Solution

The fourth proportional to 66,960.36, 92,406.69 and 36,743.92 is: 50,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,960.36 : 92,406.69 = 36,743.92 : x
  2. Step 2: Convert to fraction form
    66,960.36/92,406.69 = 36,743.92/x
  3. Step 3: Cross multiply
    66,960.36x = 92,406.69 × 36,743.92
  4. Step 4: Simplify right side
    66,960.36x = 3,395,383,793.81
  5. Step 5: Solve for x
    x = 3,395,383,793.81/66,960.36
  6. Step 6: Final answer
    x = 50,707.37

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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.