Home / 92,777.39-139,146.94-45,343.79

Finding the Fourth Proportional to 92,777.39, 139,146.94 and 45,343.79

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Solution

The fourth proportional to 92,777.39, 139,146.94 and 45,343.79 is: 68,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,777.39 : 139,146.94 = 45,343.79 : x
  2. Step 2: Convert to fraction form
    92,777.39/139,146.94 = 45,343.79/x
  3. Step 3: Cross multiply
    92,777.39x = 139,146.94 × 45,343.79
  4. Step 4: Simplify right side
    92,777.39x = 6,309,449,626.50
  5. Step 5: Solve for x
    x = 6,309,449,626.50/92,777.39
  6. Step 6: Final answer
    x = 68,006.33

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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.