Home / 92,905.57-128,209.12-50,463.73

Finding the Fourth Proportional to 92,905.57, 128,209.12 and 50,463.73

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Solution

The fourth proportional to 92,905.57, 128,209.12 and 50,463.73 is: 69,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,905.57 : 128,209.12 = 50,463.73 : x
  2. Step 2: Convert to fraction form
    92,905.57/128,209.12 = 50,463.73/x
  3. Step 3: Cross multiply
    92,905.57x = 128,209.12 × 50,463.73
  4. Step 4: Simplify right side
    92,905.57x = 6,469,910,415.22
  5. Step 5: Solve for x
    x = 6,469,910,415.22/92,905.57
  6. Step 6: Final answer
    x = 69,639.64

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1.5x scale

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.