Home / 73,975.72-102,105.48-45,665.14

Finding the Fourth Proportional to 73,975.72, 102,105.48 and 45,665.14

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Solution

The fourth proportional to 73,975.72, 102,105.48 and 45,665.14 is: 63,029.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,975.72 : 102,105.48 = 45,665.14 : x
  2. Step 2: Convert to fraction form
    73,975.72/102,105.48 = 45,665.14/x
  3. Step 3: Cross multiply
    73,975.72x = 102,105.48 × 45,665.14
  4. Step 4: Simplify right side
    73,975.72x = 4,662,661,038.97
  5. Step 5: Solve for x
    x = 4,662,661,038.97/73,975.72
  6. Step 6: Final answer
    x = 63,029.61

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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.