Home / 70,109.20-105,180.54-23,362.48

Finding the Fourth Proportional to 70,109.20, 105,180.54 and 23,362.48

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Solution

The fourth proportional to 70,109.20, 105,180.54 and 23,362.48 is: 35,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,109.20 : 105,180.54 = 23,362.48 : x
  2. Step 2: Convert to fraction form
    70,109.20/105,180.54 = 23,362.48/x
  3. Step 3: Cross multiply
    70,109.20x = 105,180.54 × 23,362.48
  4. Step 4: Simplify right side
    70,109.20x = 2,457,278,262.14
  5. Step 5: Solve for x
    x = 2,457,278,262.14/70,109.20
  6. Step 6: Final answer
    x = 35,049.30

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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.