Home / 74,621.44-102,999.30-59,618.56

Finding the Fourth Proportional to 74,621.44, 102,999.30 and 59,618.56

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Solution

The fourth proportional to 74,621.44, 102,999.30 and 59,618.56 is: 82,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,621.44 : 102,999.30 = 59,618.56 : x
  2. Step 2: Convert to fraction form
    74,621.44/102,999.30 = 59,618.56/x
  3. Step 3: Cross multiply
    74,621.44x = 102,999.30 × 59,618.56
  4. Step 4: Simplify right side
    74,621.44x = 6,140,669,947.01
  5. Step 5: Solve for x
    x = 6,140,669,947.01/74,621.44
  6. Step 6: Final answer
    x = 82,290.96

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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.