Home / 86,936.14-119,972.37-51,127.66

Finding the Fourth Proportional to 86,936.14, 119,972.37 and 51,127.66

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Solution

The fourth proportional to 86,936.14, 119,972.37 and 51,127.66 is: 70,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,936.14 : 119,972.37 = 51,127.66 : x
  2. Step 2: Convert to fraction form
    86,936.14/119,972.37 = 51,127.66/x
  3. Step 3: Cross multiply
    86,936.14x = 119,972.37 × 51,127.66
  4. Step 4: Simplify right side
    86,936.14x = 6,133,906,542.75
  5. Step 5: Solve for x
    x = 6,133,906,542.75/86,936.14
  6. Step 6: Final answer
    x = 70,556.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.