Home / 67,399.12-101,016.69-47,683.36

Finding the Fourth Proportional to 67,399.12, 101,016.69 and 47,683.36

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Solution

The fourth proportional to 67,399.12, 101,016.69 and 47,683.36 is: 71,467.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,399.12 : 101,016.69 = 47,683.36 : x
  2. Step 2: Convert to fraction form
    67,399.12/101,016.69 = 47,683.36/x
  3. Step 3: Cross multiply
    67,399.12x = 101,016.69 × 47,683.36
  4. Step 4: Simplify right side
    67,399.12x = 4,816,815,195.28
  5. Step 5: Solve for x
    x = 4,816,815,195.28/67,399.12
  6. Step 6: Final answer
    x = 71,467.03

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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.