Home / 80,556.41-111,167.80-44,749.76

Finding the Fourth Proportional to 80,556.41, 111,167.80 and 44,749.76

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Solution

The fourth proportional to 80,556.41, 111,167.80 and 44,749.76 is: 61,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,556.41 : 111,167.80 = 44,749.76 : x
  2. Step 2: Convert to fraction form
    80,556.41/111,167.80 = 44,749.76/x
  3. Step 3: Cross multiply
    80,556.41x = 111,167.80 × 44,749.76
  4. Step 4: Simplify right side
    80,556.41x = 4,974,731,813.89
  5. Step 5: Solve for x
    x = 4,974,731,813.89/80,556.41
  6. Step 6: Final answer
    x = 61,754.64

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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.