Home / 89,637.82-123,672.25-50,869.22

Finding the Fourth Proportional to 89,637.82, 123,672.25 and 50,869.22

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Solution

The fourth proportional to 89,637.82, 123,672.25 and 50,869.22 is: 70,183.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,637.82 : 123,672.25 = 50,869.22 : x
  2. Step 2: Convert to fraction form
    89,637.82/123,672.25 = 50,869.22/x
  3. Step 3: Cross multiply
    89,637.82x = 123,672.25 × 50,869.22
  4. Step 4: Simplify right side
    89,637.82x = 6,291,110,338.37
  5. Step 5: Solve for x
    x = 6,291,110,338.37/89,637.82
  6. Step 6: Final answer
    x = 70,183.66

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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.