Home / 45,895.28-68,829.68-12,616.43

Finding the Fourth Proportional to 45,895.28, 68,829.68 and 12,616.43

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Solution

The fourth proportional to 45,895.28, 68,829.68 and 12,616.43 is: 18,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,895.28 : 68,829.68 = 12,616.43 : x
  2. Step 2: Convert to fraction form
    45,895.28/68,829.68 = 12,616.43/x
  3. Step 3: Cross multiply
    45,895.28x = 68,829.68 × 12,616.43
  4. Step 4: Simplify right side
    45,895.28x = 868,384,839.64
  5. Step 5: Solve for x
    x = 868,384,839.64/45,895.28
  6. Step 6: Final answer
    x = 18,921.01

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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.