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Finding the Fourth Proportional to 69,489.66, 104,373.96 and 41,464.41

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Solution

The fourth proportional to 69,489.66, 104,373.96 and 41,464.41 is: 62,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,489.66 : 104,373.96 = 41,464.41 : x
  2. Step 2: Convert to fraction form
    69,489.66/104,373.96 = 41,464.41/x
  3. Step 3: Cross multiply
    69,489.66x = 104,373.96 × 41,464.41
  4. Step 4: Simplify right side
    69,489.66x = 4,327,804,670.76
  5. Step 5: Solve for x
    x = 4,327,804,670.76/69,489.66
  6. Step 6: Final answer
    x = 62,279.84

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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.