Home / 51,941.04-71,662.68-31,776.90

Finding the Fourth Proportional to 51,941.04, 71,662.68 and 31,776.90

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Solution

The fourth proportional to 51,941.04, 71,662.68 and 31,776.90 is: 43,842.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,941.04 : 71,662.68 = 31,776.90 : x
  2. Step 2: Convert to fraction form
    51,941.04/71,662.68 = 31,776.90/x
  3. Step 3: Cross multiply
    51,941.04x = 71,662.68 × 31,776.90
  4. Step 4: Simplify right side
    51,941.04x = 2,277,217,816.09
  5. Step 5: Solve for x
    x = 2,277,217,816.09/51,941.04
  6. Step 6: Final answer
    x = 43,842.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.