Home / 102,830.45-154,212.66-32,693.36

Finding the Fourth Proportional to 102,830.45, 154,212.66 and 32,693.36

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Solution

The fourth proportional to 102,830.45, 154,212.66 and 32,693.36 is: 49,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,830.45 : 154,212.66 = 32,693.36 : x
  2. Step 2: Convert to fraction form
    102,830.45/154,212.66 = 32,693.36/x
  3. Step 3: Cross multiply
    102,830.45x = 154,212.66 × 32,693.36
  4. Step 4: Simplify right side
    102,830.45x = 5,041,729,238.87
  5. Step 5: Solve for x
    x = 5,041,729,238.87/102,830.45
  6. Step 6: Final answer
    x = 49,029.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.