Home / 69,740.84-104,660.66-30,309.48

Finding the Fourth Proportional to 69,740.84, 104,660.66 and 30,309.48

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Solution

The fourth proportional to 69,740.84, 104,660.66 and 30,309.48 is: 45,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,740.84 : 104,660.66 = 30,309.48 : x
  2. Step 2: Convert to fraction form
    69,740.84/104,660.66 = 30,309.48/x
  3. Step 3: Cross multiply
    69,740.84x = 104,660.66 × 30,309.48
  4. Step 4: Simplify right side
    69,740.84x = 3,172,210,181.06
  5. Step 5: Solve for x
    x = 3,172,210,181.06/69,740.84
  6. Step 6: Final answer
    x = 45,485.69

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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.