Home / 69,913.96-104,787.69-40,270.39

Finding the Fourth Proportional to 69,913.96, 104,787.69 and 40,270.39

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Solution

The fourth proportional to 69,913.96, 104,787.69 and 40,270.39 is: 60,357.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,913.96 : 104,787.69 = 40,270.39 : x
  2. Step 2: Convert to fraction form
    69,913.96/104,787.69 = 40,270.39/x
  3. Step 3: Cross multiply
    69,913.96x = 104,787.69 × 40,270.39
  4. Step 4: Simplify right side
    69,913.96x = 4,219,841,143.50
  5. Step 5: Solve for x
    x = 4,219,841,143.50/69,913.96
  6. Step 6: Final answer
    x = 60,357.63

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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.