Home / 104,291.27-143,923.05-61,272.56

Finding the Fourth Proportional to 104,291.27, 143,923.05 and 61,272.56

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Solution

The fourth proportional to 104,291.27, 143,923.05 and 61,272.56 is: 84,556.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,291.27 : 143,923.05 = 61,272.56 : x
  2. Step 2: Convert to fraction form
    104,291.27/143,923.05 = 61,272.56/x
  3. Step 3: Cross multiply
    104,291.27x = 143,923.05 × 61,272.56
  4. Step 4: Simplify right side
    104,291.27x = 8,818,532,996.89
  5. Step 5: Solve for x
    x = 8,818,532,996.89/104,291.27
  6. Step 6: Final answer
    x = 84,556.77

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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.