Home / 51,806.20-77,670.90-22,199.80

Finding the Fourth Proportional to 51,806.20, 77,670.90 and 22,199.80

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Solution

The fourth proportional to 51,806.20, 77,670.90 and 22,199.80 is: 33,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.20 : 77,670.90 = 22,199.80 : x
  2. Step 2: Convert to fraction form
    51,806.20/77,670.90 = 22,199.80/x
  3. Step 3: Cross multiply
    51,806.20x = 77,670.90 × 22,199.80
  4. Step 4: Simplify right side
    51,806.20x = 1,724,278,445.82
  5. Step 5: Solve for x
    x = 1,724,278,445.82/51,806.20
  6. Step 6: Final answer
    x = 33,283.24

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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.