Home / 47,856.44-71,784.77-12,795.19

Finding the Fourth Proportional to 47,856.44, 71,784.77 and 12,795.19

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Solution

The fourth proportional to 47,856.44, 71,784.77 and 12,795.19 is: 19,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,856.44 : 71,784.77 = 12,795.19 : x
  2. Step 2: Convert to fraction form
    47,856.44/71,784.77 = 12,795.19/x
  3. Step 3: Cross multiply
    47,856.44x = 71,784.77 × 12,795.19
  4. Step 4: Simplify right side
    47,856.44x = 918,499,527.82
  5. Step 5: Solve for x
    x = 918,499,527.82/47,856.44
  6. Step 6: Final answer
    x = 19,192.81

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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.