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Finding the Fourth Proportional to 68,776.76, 94,912.44 and 44,889.32

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Solution

The fourth proportional to 68,776.76, 94,912.44 and 44,889.32 is: 61,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,776.76 : 94,912.44 = 44,889.32 : x
  2. Step 2: Convert to fraction form
    68,776.76/94,912.44 = 44,889.32/x
  3. Step 3: Cross multiply
    68,776.76x = 94,912.44 × 44,889.32
  4. Step 4: Simplify right side
    68,776.76x = 4,260,554,891.14
  5. Step 5: Solve for x
    x = 4,260,554,891.14/68,776.76
  6. Step 6: Final answer
    x = 61,947.60

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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.