Home / 45,886.91-68,836.64-14,299.20

Finding the Fourth Proportional to 45,886.91, 68,836.64 and 14,299.20

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Solution

The fourth proportional to 45,886.91, 68,836.64 and 14,299.20 is: 21,450.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,886.91 : 68,836.64 = 14,299.20 : x
  2. Step 2: Convert to fraction form
    45,886.91/68,836.64 = 14,299.20/x
  3. Step 3: Cross multiply
    45,886.91x = 68,836.64 × 14,299.20
  4. Step 4: Simplify right side
    45,886.91x = 984,308,811.19
  5. Step 5: Solve for x
    x = 984,308,811.19/45,886.91
  6. Step 6: Final answer
    x = 21,450.76

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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.