Home / 51,246.60-76,872.30-15,219.36

Finding the Fourth Proportional to 51,246.60, 76,872.30 and 15,219.36

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Solution

The fourth proportional to 51,246.60, 76,872.30 and 15,219.36 is: 22,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,246.60 : 76,872.30 = 15,219.36 : x
  2. Step 2: Convert to fraction form
    51,246.60/76,872.30 = 15,219.36/x
  3. Step 3: Cross multiply
    51,246.60x = 76,872.30 × 15,219.36
  4. Step 4: Simplify right side
    51,246.60x = 1,169,947,207.73
  5. Step 5: Solve for x
    x = 1,169,947,207.73/51,246.60
  6. Step 6: Final answer
    x = 22,829.75

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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.