Home / 45,958.28-68,929.20-12,224.48

Finding the Fourth Proportional to 45,958.28, 68,929.20 and 12,224.48

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Solution

The fourth proportional to 45,958.28, 68,929.20 and 12,224.48 is: 18,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,958.28 : 68,929.20 = 12,224.48 : x
  2. Step 2: Convert to fraction form
    45,958.28/68,929.20 = 12,224.48/x
  3. Step 3: Cross multiply
    45,958.28x = 68,929.20 × 12,224.48
  4. Step 4: Simplify right side
    45,958.28x = 842,623,282.17
  5. Step 5: Solve for x
    x = 842,623,282.17/45,958.28
  6. Step 6: Final answer
    x = 18,334.53

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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.