Home / 45,822.39-68,733.54-12,542.73

Finding the Fourth Proportional to 45,822.39, 68,733.54 and 12,542.73

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Solution

The fourth proportional to 45,822.39, 68,733.54 and 12,542.73 is: 18,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,822.39 : 68,733.54 = 12,542.73 : x
  2. Step 2: Convert to fraction form
    45,822.39/68,733.54 = 12,542.73/x
  3. Step 3: Cross multiply
    45,822.39x = 68,733.54 × 12,542.73
  4. Step 4: Simplify right side
    45,822.39x = 862,106,234.16
  5. Step 5: Solve for x
    x = 862,106,234.16/45,822.39
  6. Step 6: Final answer
    x = 18,814.08

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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.