Home / 58,530.05-80,771.67-31,672.55

Finding the Fourth Proportional to 58,530.05, 80,771.67 and 31,672.55

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Solution

The fourth proportional to 58,530.05, 80,771.67 and 31,672.55 is: 43,708.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,530.05 : 80,771.67 = 31,672.55 : x
  2. Step 2: Convert to fraction form
    58,530.05/80,771.67 = 31,672.55/x
  3. Step 3: Cross multiply
    58,530.05x = 80,771.67 × 31,672.55
  4. Step 4: Simplify right side
    58,530.05x = 2,558,244,352.80
  5. Step 5: Solve for x
    x = 2,558,244,352.80/58,530.05
  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.