Home / 51,199.40-76,809.90-16,142.60

Finding the Fourth Proportional to 51,199.40, 76,809.90 and 16,142.60

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Solution

The fourth proportional to 51,199.40, 76,809.90 and 16,142.60 is: 24,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,199.40 : 76,809.90 = 16,142.60 : x
  2. Step 2: Convert to fraction form
    51,199.40/76,809.90 = 16,142.60/x
  3. Step 3: Cross multiply
    51,199.40x = 76,809.90 × 16,142.60
  4. Step 4: Simplify right side
    51,199.40x = 1,239,911,491.74
  5. Step 5: Solve for x
    x = 1,239,911,491.74/51,199.40
  6. Step 6: Final answer
    x = 24,217.31

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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.