Home / 67,128.08-92,639.08-36,914.64

Finding the Fourth Proportional to 67,128.08, 92,639.08 and 36,914.64

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Solution

The fourth proportional to 67,128.08, 92,639.08 and 36,914.64 is: 50,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,128.08 : 92,639.08 = 36,914.64 : x
  2. Step 2: Convert to fraction form
    67,128.08/92,639.08 = 36,914.64/x
  3. Step 3: Cross multiply
    67,128.08x = 92,639.08 × 36,914.64
  4. Step 4: Simplify right side
    67,128.08x = 3,419,738,288.13
  5. Step 5: Solve for x
    x = 3,419,738,288.13/67,128.08
  6. Step 6: Final answer
    x = 50,943.48

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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.