Home / 92,942.22-128,261.44-50,501.46

Finding the Fourth Proportional to 92,942.22, 128,261.44 and 50,501.46

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Solution

The fourth proportional to 92,942.22, 128,261.44 and 50,501.46 is: 69,692.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,942.22 : 128,261.44 = 50,501.46 : x
  2. Step 2: Convert to fraction form
    92,942.22/128,261.44 = 50,501.46/x
  3. Step 3: Cross multiply
    92,942.22x = 128,261.44 × 50,501.46
  4. Step 4: Simplify right side
    92,942.22x = 6,477,389,981.70
  5. Step 5: Solve for x
    x = 6,477,389,981.70/92,942.22
  6. Step 6: Final answer
    x = 69,692.65

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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.