Home / 76,782.33-115,133.40-24,177.69

Finding the Fourth Proportional to 76,782.33, 115,133.40 and 24,177.69

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Solution

The fourth proportional to 76,782.33, 115,133.40 and 24,177.69 is: 36,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,782.33 : 115,133.40 = 24,177.69 : x
  2. Step 2: Convert to fraction form
    76,782.33/115,133.40 = 24,177.69/x
  3. Step 3: Cross multiply
    76,782.33x = 115,133.40 × 24,177.69
  4. Step 4: Simplify right side
    76,782.33x = 2,783,659,653.85
  5. Step 5: Solve for x
    x = 2,783,659,653.85/76,782.33
  6. Step 6: Final answer
    x = 36,253.91

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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.