Home / 45,814.60-68,732.70-14,650.12

Finding the Fourth Proportional to 45,814.60, 68,732.70 and 14,650.12

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Solution

The fourth proportional to 45,814.60, 68,732.70 and 14,650.12 is: 21,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,814.60 : 68,732.70 = 14,650.12 : x
  2. Step 2: Convert to fraction form
    45,814.60/68,732.70 = 14,650.12/x
  3. Step 3: Cross multiply
    45,814.60x = 68,732.70 × 14,650.12
  4. Step 4: Simplify right side
    45,814.60x = 1,006,942,302.92
  5. Step 5: Solve for x
    x = 1,006,942,302.92/45,814.60
  6. Step 6: Final answer
    x = 21,978.63

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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.