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Finding the Fourth Proportional to 92,935.44, 128,251.44 and 50,494.32

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Solution

The fourth proportional to 92,935.44, 128,251.44 and 50,494.32 is: 69,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,935.44 : 128,251.44 = 50,494.32 : x
  2. Step 2: Convert to fraction form
    92,935.44/128,251.44 = 50,494.32/x
  3. Step 3: Cross multiply
    92,935.44x = 128,251.44 × 50,494.32
  4. Step 4: Simplify right side
    92,935.44x = 6,475,969,251.82
  5. Step 5: Solve for x
    x = 6,475,969,251.82/92,935.44
  6. Step 6: Final answer
    x = 69,682.45

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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.