Home / 58,530.20-80,771.68-31,672.62

Finding the Fourth Proportional to 58,530.20, 80,771.68 and 31,672.62

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Solution

The fourth proportional to 58,530.20, 80,771.68 and 31,672.62 is: 43,708.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,530.20 : 80,771.68 = 31,672.62 : x
  2. Step 2: Convert to fraction form
    58,530.20/80,771.68 = 31,672.62/x
  3. Step 3: Cross multiply
    58,530.20x = 80,771.68 × 31,672.62
  4. Step 4: Simplify right side
    58,530.20x = 2,558,250,766.99
  5. Step 5: Solve for x
    x = 2,558,250,766.99/58,530.20
  6. Step 6: Final answer
    x = 43,708.22

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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.