Home / 73,942.47-102,078.23-45,664.56

Finding the Fourth Proportional to 73,942.47, 102,078.23 and 45,664.56

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Solution

The fourth proportional to 73,942.47, 102,078.23 and 45,664.56 is: 63,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,942.47 : 102,078.23 = 45,664.56 : x
  2. Step 2: Convert to fraction form
    73,942.47/102,078.23 = 45,664.56/x
  3. Step 3: Cross multiply
    73,942.47x = 102,078.23 × 45,664.56
  4. Step 4: Simplify right side
    73,942.47x = 4,661,357,230.21
  5. Step 5: Solve for x
    x = 4,661,357,230.21/73,942.47
  6. Step 6: Final answer
    x = 63,040.32

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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.