Home / 74,222.82-102,433.97-40,695.30

Finding the Fourth Proportional to 74,222.82, 102,433.97 and 40,695.30

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Solution

The fourth proportional to 74,222.82, 102,433.97 and 40,695.30 is: 56,163.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,222.82 : 102,433.97 = 40,695.30 : x
  2. Step 2: Convert to fraction form
    74,222.82/102,433.97 = 40,695.30/x
  3. Step 3: Cross multiply
    74,222.82x = 102,433.97 × 40,695.30
  4. Step 4: Simplify right side
    74,222.82x = 4,168,580,935.86
  5. Step 5: Solve for x
    x = 4,168,580,935.86/74,222.82
  6. Step 6: Final answer
    x = 56,163.06

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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.