Home / 47,409.72-71,118.26-14,127.24

Finding the Fourth Proportional to 47,409.72, 71,118.26 and 14,127.24

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Solution

The fourth proportional to 47,409.72, 71,118.26 and 14,127.24 is: 21,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,409.72 : 71,118.26 = 14,127.24 : x
  2. Step 2: Convert to fraction form
    47,409.72/71,118.26 = 14,127.24/x
  3. Step 3: Cross multiply
    47,409.72x = 71,118.26 × 14,127.24
  4. Step 4: Simplify right side
    47,409.72x = 1,004,704,727.40
  5. Step 5: Solve for x
    x = 1,004,704,727.40/47,409.72
  6. Step 6: Final answer
    x = 21,191.96

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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.