Home / 69,711.57-104,548.73-30,259.44

Finding the Fourth Proportional to 69,711.57, 104,548.73 and 30,259.44

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Solution

The fourth proportional to 69,711.57, 104,548.73 and 30,259.44 is: 45,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,711.57 : 104,548.73 = 30,259.44 : x
  2. Step 2: Convert to fraction form
    69,711.57/104,548.73 = 30,259.44/x
  3. Step 3: Cross multiply
    69,711.57x = 104,548.73 × 30,259.44
  4. Step 4: Simplify right side
    69,711.57x = 3,163,585,871.21
  5. Step 5: Solve for x
    x = 3,163,585,871.21/69,711.57
  6. Step 6: Final answer
    x = 45,381.07

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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.