Home / 69,743.04-104,615.75-30,300.17

Finding the Fourth Proportional to 69,743.04, 104,615.75 and 30,300.17

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Solution

The fourth proportional to 69,743.04, 104,615.75 and 30,300.17 is: 45,450.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,743.04 : 104,615.75 = 30,300.17 : x
  2. Step 2: Convert to fraction form
    69,743.04/104,615.75 = 30,300.17/x
  3. Step 3: Cross multiply
    69,743.04x = 104,615.75 × 30,300.17
  4. Step 4: Simplify right side
    69,743.04x = 3,169,874,335.10
  5. Step 5: Solve for x
    x = 3,169,874,335.10/69,743.04
  6. Step 6: Final answer
    x = 45,450.76

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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.