Home / 102,942.48-154,412.10-32,821.32

Finding the Fourth Proportional to 102,942.48, 154,412.10 and 32,821.32

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Solution

The fourth proportional to 102,942.48, 154,412.10 and 32,821.32 is: 49,231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,942.48 : 154,412.10 = 32,821.32 : x
  2. Step 2: Convert to fraction form
    102,942.48/154,412.10 = 32,821.32/x
  3. Step 3: Cross multiply
    102,942.48x = 154,412.10 × 32,821.32
  4. Step 4: Simplify right side
    102,942.48x = 5,068,008,945.97
  5. Step 5: Solve for x
    x = 5,068,008,945.97/102,942.48
  6. Step 6: Final answer
    x = 49,231.46

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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.