Home / 73,147.57-100,942.32-40,882.79

Finding the Fourth Proportional to 73,147.57, 100,942.32 and 40,882.79

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Solution

The fourth proportional to 73,147.57, 100,942.32 and 40,882.79 is: 56,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,147.57 : 100,942.32 = 40,882.79 : x
  2. Step 2: Convert to fraction form
    73,147.57/100,942.32 = 40,882.79/x
  3. Step 3: Cross multiply
    73,147.57x = 100,942.32 × 40,882.79
  4. Step 4: Simplify right side
    73,147.57x = 4,126,803,846.37
  5. Step 5: Solve for x
    x = 4,126,803,846.37/73,147.57
  6. Step 6: Final answer
    x = 56,417.51

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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.