Home / 69,719.04-104,519.79-30,246.39

Finding the Fourth Proportional to 69,719.04, 104,519.79 and 30,246.39

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Solution

The fourth proportional to 69,719.04, 104,519.79 and 30,246.39 is: 45,344.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,719.04 : 104,519.79 = 30,246.39 : x
  2. Step 2: Convert to fraction form
    69,719.04/104,519.79 = 30,246.39/x
  3. Step 3: Cross multiply
    69,719.04x = 104,519.79 × 30,246.39
  4. Step 4: Simplify right side
    69,719.04x = 3,161,346,331.06
  5. Step 5: Solve for x
    x = 3,161,346,331.06/69,719.04
  6. Step 6: Final answer
    x = 45,344.09

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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.