Home / 45,905.54-68,868.93-14,313.92

Finding the Fourth Proportional to 45,905.54, 68,868.93 and 14,313.92

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Solution

The fourth proportional to 45,905.54, 68,868.93 and 14,313.92 is: 21,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,905.54 : 68,868.93 = 14,313.92 : x
  2. Step 2: Convert to fraction form
    45,905.54/68,868.93 = 14,313.92/x
  3. Step 3: Cross multiply
    45,905.54x = 68,868.93 × 14,313.92
  4. Step 4: Simplify right side
    45,905.54x = 985,784,063.84
  5. Step 5: Solve for x
    x = 985,784,063.84/45,905.54
  6. Step 6: Final answer
    x = 21,474.19

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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.