Home / 66,212.20-99,319.38-16,292.44

Finding the Fourth Proportional to 66,212.20, 99,319.38 and 16,292.44

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Solution

The fourth proportional to 66,212.20, 99,319.38 and 16,292.44 is: 24,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,212.20 : 99,319.38 = 16,292.44 : x
  2. Step 2: Convert to fraction form
    66,212.20/99,319.38 = 16,292.44/x
  3. Step 3: Cross multiply
    66,212.20x = 99,319.38 × 16,292.44
  4. Step 4: Simplify right side
    66,212.20x = 1,618,155,039.49
  5. Step 5: Solve for x
    x = 1,618,155,039.49/66,212.20
  6. Step 6: Final answer
    x = 24,438.93

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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.