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Finding the Fourth Proportional to 73,639.72, 101,619.19 and 41,804.44

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Solution

The fourth proportional to 73,639.72, 101,619.19 and 41,804.44 is: 57,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,639.72 : 101,619.19 = 41,804.44 : x
  2. Step 2: Convert to fraction form
    73,639.72/101,619.19 = 41,804.44/x
  3. Step 3: Cross multiply
    73,639.72x = 101,619.19 × 41,804.44
  4. Step 4: Simplify right side
    73,639.72x = 4,248,132,614.09
  5. Step 5: Solve for x
    x = 4,248,132,614.09/73,639.72
  6. Step 6: Final answer
    x = 57,688.06

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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.