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Finding the Fourth Proportional to 69,493.38, 104,384.52 and 56,181.44

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Solution

The fourth proportional to 69,493.38, 104,384.52 and 56,181.44 is: 84,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,493.38 : 104,384.52 = 56,181.44 : x
  2. Step 2: Convert to fraction form
    69,493.38/104,384.52 = 56,181.44/x
  3. Step 3: Cross multiply
    69,493.38x = 104,384.52 × 56,181.44
  4. Step 4: Simplify right side
    69,493.38x = 5,864,472,647.31
  5. Step 5: Solve for x
    x = 5,864,472,647.31/69,493.38
  6. Step 6: Final answer
    x = 84,388.94

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1.5x scale

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.