Home / 66,484.20-99,704.70-22,103.40

Finding the Fourth Proportional to 66,484.20, 99,704.70 and 22,103.40

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Solution

The fourth proportional to 66,484.20, 99,704.70 and 22,103.40 is: 33,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,484.20 : 99,704.70 = 22,103.40 : x
  2. Step 2: Convert to fraction form
    66,484.20/99,704.70 = 22,103.40/x
  3. Step 3: Cross multiply
    66,484.20x = 99,704.70 × 22,103.40
  4. Step 4: Simplify right side
    66,484.20x = 2,203,812,865.98
  5. Step 5: Solve for x
    x = 2,203,812,865.98/66,484.20
  6. Step 6: Final answer
    x = 33,147.92

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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.