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Finding the Fourth Proportional to 92,889.90, 128,187.35 and 50,448.44

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Solution

The fourth proportional to 92,889.90, 128,187.35 and 50,448.44 is: 69,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,889.90 : 128,187.35 = 50,448.44 : x
  2. Step 2: Convert to fraction form
    92,889.90/128,187.35 = 50,448.44/x
  3. Step 3: Cross multiply
    92,889.90x = 128,187.35 × 50,448.44
  4. Step 4: Simplify right side
    92,889.90x = 6,466,850,942.06
  5. Step 5: Solve for x
    x = 6,466,850,942.06/92,889.90
  6. Step 6: Final answer
    x = 69,618.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.