Home / 45,185.92-67,787.88-14,020

Finding the Fourth Proportional to 45,185.92, 67,787.88 and 14,020

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Solution

The fourth proportional to 45,185.92, 67,787.88 and 14,020 is: 21,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,185.92 : 67,787.88 = 14,020 : x
  2. Step 2: Convert to fraction form
    45,185.92/67,787.88 = 14,020/x
  3. Step 3: Cross multiply
    45,185.92x = 67,787.88 × 14,020
  4. Step 4: Simplify right side
    45,185.92x = 950,386,077.60
  5. Step 5: Solve for x
    x = 950,386,077.60/45,185.92
  6. Step 6: Final answer
    x = 21,032.79

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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.