Home / 81,614.07-122,406.98-22,435.67

Finding the Fourth Proportional to 81,614.07, 122,406.98 and 22,435.67

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Solution

The fourth proportional to 81,614.07, 122,406.98 and 22,435.67 is: 33,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,614.07 : 122,406.98 = 22,435.67 : x
  2. Step 2: Convert to fraction form
    81,614.07/122,406.98 = 22,435.67/x
  3. Step 3: Cross multiply
    81,614.07x = 122,406.98 × 22,435.67
  4. Step 4: Simplify right side
    81,614.07x = 2,746,282,608.98
  5. Step 5: Solve for x
    x = 2,746,282,608.98/81,614.07
  6. Step 6: Final answer
    x = 33,649.62

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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.