Home / 49,040.20-67,680.46-28,903.32

Finding the Fourth Proportional to 49,040.20, 67,680.46 and 28,903.32

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Solution

The fourth proportional to 49,040.20, 67,680.46 and 28,903.32 is: 39,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,040.20 : 67,680.46 = 28,903.32 : x
  2. Step 2: Convert to fraction form
    49,040.20/67,680.46 = 28,903.32/x
  3. Step 3: Cross multiply
    49,040.20x = 67,680.46 × 28,903.32
  4. Step 4: Simplify right side
    49,040.20x = 1,956,189,993.13
  5. Step 5: Solve for x
    x = 1,956,189,993.13/49,040.20
  6. Step 6: Final answer
    x = 39,889.52

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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.