Home / 84,711.36-127,067.04-34,782.96

Finding the Fourth Proportional to 84,711.36, 127,067.04 and 34,782.96

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Solution

The fourth proportional to 84,711.36, 127,067.04 and 34,782.96 is: 52,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,711.36 : 127,067.04 = 34,782.96 : x
  2. Step 2: Convert to fraction form
    84,711.36/127,067.04 = 34,782.96/x
  3. Step 3: Cross multiply
    84,711.36x = 127,067.04 × 34,782.96
  4. Step 4: Simplify right side
    84,711.36x = 4,419,767,769.64
  5. Step 5: Solve for x
    x = 4,419,767,769.64/84,711.36
  6. Step 6: Final answer
    x = 52,174.44

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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.