Home / 102,945.90-154,430.37-32,809.26

Finding the Fourth Proportional to 102,945.90, 154,430.37 and 32,809.26

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Solution

The fourth proportional to 102,945.90, 154,430.37 and 32,809.26 is: 49,217.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,945.90 : 154,430.37 = 32,809.26 : x
  2. Step 2: Convert to fraction form
    102,945.90/154,430.37 = 32,809.26/x
  3. Step 3: Cross multiply
    102,945.90x = 154,430.37 × 32,809.26
  4. Step 4: Simplify right side
    102,945.90x = 5,066,746,161.23
  5. Step 5: Solve for x
    x = 5,066,746,161.23/102,945.90
  6. Step 6: Final answer
    x = 49,217.56

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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.