Home / 47,767.56-71,651.25-12,707.22

Finding the Fourth Proportional to 47,767.56, 71,651.25 and 12,707.22

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Solution

The fourth proportional to 47,767.56, 71,651.25 and 12,707.22 is: 19,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,767.56 : 71,651.25 = 12,707.22 : x
  2. Step 2: Convert to fraction form
    47,767.56/71,651.25 = 12,707.22/x
  3. Step 3: Cross multiply
    47,767.56x = 71,651.25 × 12,707.22
  4. Step 4: Simplify right side
    47,767.56x = 910,487,975.98
  5. Step 5: Solve for x
    x = 910,487,975.98/47,767.56
  6. Step 6: Final answer
    x = 19,060.80

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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.