Home / 45,334.54-68,001.72-12,054.61

Finding the Fourth Proportional to 45,334.54, 68,001.72 and 12,054.61

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Solution

The fourth proportional to 45,334.54, 68,001.72 and 12,054.61 is: 18,081.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,334.54 : 68,001.72 = 12,054.61 : x
  2. Step 2: Convert to fraction form
    45,334.54/68,001.72 = 12,054.61/x
  3. Step 3: Cross multiply
    45,334.54x = 68,001.72 × 12,054.61
  4. Step 4: Simplify right side
    45,334.54x = 819,734,213.93
  5. Step 5: Solve for x
    x = 819,734,213.93/45,334.54
  6. Step 6: Final answer
    x = 18,081.89

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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.