Home / 76,290.26-114,407.30-26,357.54

Finding the Fourth Proportional to 76,290.26, 114,407.30 and 26,357.54

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Solution

The fourth proportional to 76,290.26, 114,407.30 and 26,357.54 is: 39,526.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,290.26 : 114,407.30 = 26,357.54 : x
  2. Step 2: Convert to fraction form
    76,290.26/114,407.30 = 26,357.54/x
  3. Step 3: Cross multiply
    76,290.26x = 114,407.30 × 26,357.54
  4. Step 4: Simplify right side
    76,290.26x = 3,015,494,986.04
  5. Step 5: Solve for x
    x = 3,015,494,986.04/76,290.26
  6. Step 6: Final answer
    x = 39,526.61

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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.