Home / 49,645.95-68,512.71-28,432.05

Finding the Fourth Proportional to 49,645.95, 68,512.71 and 28,432.05

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Solution

The fourth proportional to 49,645.95, 68,512.71 and 28,432.05 is: 39,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,645.95 : 68,512.71 = 28,432.05 : x
  2. Step 2: Convert to fraction form
    49,645.95/68,512.71 = 28,432.05/x
  3. Step 3: Cross multiply
    49,645.95x = 68,512.71 × 28,432.05
  4. Step 4: Simplify right side
    49,645.95x = 1,947,956,796.36
  5. Step 5: Solve for x
    x = 1,947,956,796.36/49,645.95
  6. Step 6: Final answer
    x = 39,236.97

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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.