Home / 45,747.84-68,614.74-12,470.58

Finding the Fourth Proportional to 45,747.84, 68,614.74 and 12,470.58

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Solution

The fourth proportional to 45,747.84, 68,614.74 and 12,470.58 is: 18,703.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,747.84 : 68,614.74 = 12,470.58 : x
  2. Step 2: Convert to fraction form
    45,747.84/68,614.74 = 12,470.58/x
  3. Step 3: Cross multiply
    45,747.84x = 68,614.74 × 12,470.58
  4. Step 4: Simplify right side
    45,747.84x = 855,665,604.35
  5. Step 5: Solve for x
    x = 855,665,604.35/45,747.84
  6. Step 6: Final answer
    x = 18,703.96

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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.