Home / 86,721.36-119,677.68-50,912.88

Finding the Fourth Proportional to 86,721.36, 119,677.68 and 50,912.88

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Solution

The fourth proportional to 86,721.36, 119,677.68 and 50,912.88 is: 70,261.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,721.36 : 119,677.68 = 50,912.88 : x
  2. Step 2: Convert to fraction form
    86,721.36/119,677.68 = 50,912.88/x
  3. Step 3: Cross multiply
    86,721.36x = 119,677.68 × 50,912.88
  4. Step 4: Simplify right side
    86,721.36x = 6,093,135,360.52
  5. Step 5: Solve for x
    x = 6,093,135,360.52/86,721.36
  6. Step 6: Final answer
    x = 70,261.07

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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.