Home / 69,857.27-104,727.13-30,384.65

Finding the Fourth Proportional to 69,857.27, 104,727.13 and 30,384.65

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Solution

The fourth proportional to 69,857.27, 104,727.13 and 30,384.65 is: 45,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,857.27 : 104,727.13 = 30,384.65 : x
  2. Step 2: Convert to fraction form
    69,857.27/104,727.13 = 30,384.65/x
  3. Step 3: Cross multiply
    69,857.27x = 104,727.13 × 30,384.65
  4. Step 4: Simplify right side
    69,857.27x = 3,182,097,376.41
  5. Step 5: Solve for x
    x = 3,182,097,376.41/69,857.27
  6. Step 6: Final answer
    x = 45,551.41

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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.