Home / 45,812.20-68,711.90-14,650.60

Finding the Fourth Proportional to 45,812.20, 68,711.90 and 14,650.60

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Solution

The fourth proportional to 45,812.20, 68,711.90 and 14,650.60 is: 21,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,812.20 : 68,711.90 = 14,650.60 : x
  2. Step 2: Convert to fraction form
    45,812.20/68,711.90 = 14,650.60/x
  3. Step 3: Cross multiply
    45,812.20x = 68,711.90 × 14,650.60
  4. Step 4: Simplify right side
    45,812.20x = 1,006,670,562.14
  5. Step 5: Solve for x
    x = 1,006,670,562.14/45,812.20
  6. Step 6: Final answer
    x = 21,973.85

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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.