Home / 47,942.57-71,913.25-14,663.72

Finding the Fourth Proportional to 47,942.57, 71,913.25 and 14,663.72

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Solution

The fourth proportional to 47,942.57, 71,913.25 and 14,663.72 is: 21,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.57 : 71,913.25 = 14,663.72 : x
  2. Step 2: Convert to fraction form
    47,942.57/71,913.25 = 14,663.72/x
  3. Step 3: Cross multiply
    47,942.57x = 71,913.25 × 14,663.72
  4. Step 4: Simplify right side
    47,942.57x = 1,054,515,762.29
  5. Step 5: Solve for x
    x = 1,054,515,762.29/47,942.57
  6. Step 6: Final answer
    x = 21,995.39

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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.