Home / 47,673.96-71,511.36-12,135.32

Finding the Fourth Proportional to 47,673.96, 71,511.36 and 12,135.32

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Solution

The fourth proportional to 47,673.96, 71,511.36 and 12,135.32 is: 18,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,673.96 : 71,511.36 = 12,135.32 : x
  2. Step 2: Convert to fraction form
    47,673.96/71,511.36 = 12,135.32/x
  3. Step 3: Cross multiply
    47,673.96x = 71,511.36 × 12,135.32
  4. Step 4: Simplify right side
    47,673.96x = 867,813,237.24
  5. Step 5: Solve for x
    x = 867,813,237.24/47,673.96
  6. Step 6: Final answer
    x = 18,203.09

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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.