Home / 74,049.41-102,081.87-52,791.77

Finding the Fourth Proportional to 74,049.41, 102,081.87 and 52,791.77

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Solution

The fourth proportional to 74,049.41, 102,081.87 and 52,791.77 is: 72,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,049.41 : 102,081.87 = 52,791.77 : x
  2. Step 2: Convert to fraction form
    74,049.41/102,081.87 = 52,791.77/x
  3. Step 3: Cross multiply
    74,049.41x = 102,081.87 × 52,791.77
  4. Step 4: Simplify right side
    74,049.41x = 5,389,082,602.21
  5. Step 5: Solve for x
    x = 5,389,082,602.21/74,049.41
  6. Step 6: Final answer
    x = 72,776.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.