Home / 76,791.45-115,164.63-26,862.24

Finding the Fourth Proportional to 76,791.45, 115,164.63 and 26,862.24

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Solution

The fourth proportional to 76,791.45, 115,164.63 and 26,862.24 is: 40,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,791.45 : 115,164.63 = 26,862.24 : x
  2. Step 2: Convert to fraction form
    76,791.45/115,164.63 = 26,862.24/x
  3. Step 3: Cross multiply
    76,791.45x = 115,164.63 × 26,862.24
  4. Step 4: Simplify right side
    76,791.45x = 3,093,579,930.57
  5. Step 5: Solve for x
    x = 3,093,579,930.57/76,791.45
  6. Step 6: Final answer
    x = 40,285.47

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1.5x scale

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.