Home / 45,342.43-68,013.51-12,062.50

Finding the Fourth Proportional to 45,342.43, 68,013.51 and 12,062.50

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Solution

The fourth proportional to 45,342.43, 68,013.51 and 12,062.50 is: 18,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,342.43 : 68,013.51 = 12,062.50 : x
  2. Step 2: Convert to fraction form
    45,342.43/68,013.51 = 12,062.50/x
  3. Step 3: Cross multiply
    45,342.43x = 68,013.51 × 12,062.50
  4. Step 4: Simplify right side
    45,342.43x = 820,412,964.38
  5. Step 5: Solve for x
    x = 820,412,964.38/45,342.43
  6. Step 6: Final answer
    x = 18,093.71

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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.