Home / 69,723.04-104,579.76-40,119.04

Finding the Fourth Proportional to 69,723.04, 104,579.76 and 40,119.04

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Solution

The fourth proportional to 69,723.04, 104,579.76 and 40,119.04 is: 60,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,723.04 : 104,579.76 = 40,119.04 : x
  2. Step 2: Convert to fraction form
    69,723.04/104,579.76 = 40,119.04/x
  3. Step 3: Cross multiply
    69,723.04x = 104,579.76 × 40,119.04
  4. Step 4: Simplify right side
    69,723.04x = 4,195,639,574.63
  5. Step 5: Solve for x
    x = 4,195,639,574.63/69,723.04
  6. Step 6: Final answer
    x = 60,175.80

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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.