Home / 76,868.24-115,305.80-23,556.36

Finding the Fourth Proportional to 76,868.24, 115,305.80 and 23,556.36

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Solution

The fourth proportional to 76,868.24, 115,305.80 and 23,556.36 is: 35,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,868.24 : 115,305.80 = 23,556.36 : x
  2. Step 2: Convert to fraction form
    76,868.24/115,305.80 = 23,556.36/x
  3. Step 3: Cross multiply
    76,868.24x = 115,305.80 × 23,556.36
  4. Step 4: Simplify right side
    76,868.24x = 2,716,184,934.89
  5. Step 5: Solve for x
    x = 2,716,184,934.89/76,868.24
  6. Step 6: Final answer
    x = 35,335.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.