Home / 89,164.40-123,015.35-50,896.34

Finding the Fourth Proportional to 89,164.40, 123,015.35 and 50,896.34

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Solution

The fourth proportional to 89,164.40, 123,015.35 and 50,896.34 is: 70,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,164.40 : 123,015.35 = 50,896.34 : x
  2. Step 2: Convert to fraction form
    89,164.40/123,015.35 = 50,896.34/x
  3. Step 3: Cross multiply
    89,164.40x = 123,015.35 × 50,896.34
  4. Step 4: Simplify right side
    89,164.40x = 6,261,031,131.88
  5. Step 5: Solve for x
    x = 6,261,031,131.88/89,164.40
  6. Step 6: Final answer
    x = 70,218.96

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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.