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Finding the Fourth Proportional to 69,456.50, 104,240.61 and 36,186.50

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Solution

The fourth proportional to 69,456.50, 104,240.61 and 36,186.50 is: 54,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,456.50 : 104,240.61 = 36,186.50 : x
  2. Step 2: Convert to fraction form
    69,456.50/104,240.61 = 36,186.50/x
  3. Step 3: Cross multiply
    69,456.50x = 104,240.61 × 36,186.50
  4. Step 4: Simplify right side
    69,456.50x = 3,772,102,833.77
  5. Step 5: Solve for x
    x = 3,772,102,833.77/69,456.50
  6. Step 6: Final answer
    x = 54,308.85

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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.