Home / 47,435.88-71,153.94-12,375.56

Finding the Fourth Proportional to 47,435.88, 71,153.94 and 12,375.56

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Solution

The fourth proportional to 47,435.88, 71,153.94 and 12,375.56 is: 18,563.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,435.88 : 71,153.94 = 12,375.56 : x
  2. Step 2: Convert to fraction form
    47,435.88/71,153.94 = 12,375.56/x
  3. Step 3: Cross multiply
    47,435.88x = 71,153.94 × 12,375.56
  4. Step 4: Simplify right side
    47,435.88x = 880,569,853.71
  5. Step 5: Solve for x
    x = 880,569,853.71/47,435.88
  6. Step 6: Final answer
    x = 18,563.37

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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.