Home / 51,421.97-77,116.46-16,353.43

Finding the Fourth Proportional to 51,421.97, 77,116.46 and 16,353.43

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Solution

The fourth proportional to 51,421.97, 77,116.46 and 16,353.43 is: 24,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,421.97 : 77,116.46 = 16,353.43 : x
  2. Step 2: Convert to fraction form
    51,421.97/77,116.46 = 16,353.43/x
  3. Step 3: Cross multiply
    51,421.97x = 77,116.46 × 16,353.43
  4. Step 4: Simplify right side
    51,421.97x = 1,261,118,355.90
  5. Step 5: Solve for x
    x = 1,261,118,355.90/51,421.97
  6. Step 6: Final answer
    x = 24,524.89

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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.