Home / 47,910.56-71,856.16-12,842.08

Finding the Fourth Proportional to 47,910.56, 71,856.16 and 12,842.08

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Solution

The fourth proportional to 47,910.56, 71,856.16 and 12,842.08 is: 19,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,910.56 : 71,856.16 = 12,842.08 : x
  2. Step 2: Convert to fraction form
    47,910.56/71,856.16 = 12,842.08/x
  3. Step 3: Cross multiply
    47,910.56x = 71,856.16 × 12,842.08
  4. Step 4: Simplify right side
    47,910.56x = 922,782,555.21
  5. Step 5: Solve for x
    x = 922,782,555.21/47,910.56
  6. Step 6: Final answer
    x = 19,260.53

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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.