Home / 69,529.92-104,239.53-30,059.16

Finding the Fourth Proportional to 69,529.92, 104,239.53 and 30,059.16

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Solution

The fourth proportional to 69,529.92, 104,239.53 and 30,059.16 is: 45,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,529.92 : 104,239.53 = 30,059.16 : x
  2. Step 2: Convert to fraction form
    69,529.92/104,239.53 = 30,059.16/x
  3. Step 3: Cross multiply
    69,529.92x = 104,239.53 × 30,059.16
  4. Step 4: Simplify right side
    69,529.92x = 3,133,352,710.59
  5. Step 5: Solve for x
    x = 3,133,352,710.59/69,529.92
  6. Step 6: Final answer
    x = 45,064.81

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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.