Home / 69,936.15-104,935.23-36,648.30

Finding the Fourth Proportional to 69,936.15, 104,935.23 and 36,648.30

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Solution

The fourth proportional to 69,936.15, 104,935.23 and 36,648.30 is: 54,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,936.15 : 104,935.23 = 36,648.30 : x
  2. Step 2: Convert to fraction form
    69,936.15/104,935.23 = 36,648.30/x
  3. Step 3: Cross multiply
    69,936.15x = 104,935.23 × 36,648.30
  4. Step 4: Simplify right side
    69,936.15x = 3,845,697,789.61
  5. Step 5: Solve for x
    x = 3,845,697,789.61/69,936.15
  6. Step 6: Final answer
    x = 54,988.70

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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.