Home / 77,719.95-116,567.37-27,791.55

Finding the Fourth Proportional to 77,719.95, 116,567.37 and 27,791.55

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Solution

The fourth proportional to 77,719.95, 116,567.37 and 27,791.55 is: 41,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,719.95 : 116,567.37 = 27,791.55 : x
  2. Step 2: Convert to fraction form
    77,719.95/116,567.37 = 27,791.55/x
  3. Step 3: Cross multiply
    77,719.95x = 116,567.37 × 27,791.55
  4. Step 4: Simplify right side
    77,719.95x = 3,239,587,891.72
  5. Step 5: Solve for x
    x = 3,239,587,891.72/77,719.95
  6. Step 6: Final answer
    x = 41,682.84

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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.