Home / 89,531.35-123,550.83-50,776.28

Finding the Fourth Proportional to 89,531.35, 123,550.83 and 50,776.28

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Solution

The fourth proportional to 89,531.35, 123,550.83 and 50,776.28 is: 70,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,531.35 : 123,550.83 = 50,776.28 : x
  2. Step 2: Convert to fraction form
    89,531.35/123,550.83 = 50,776.28/x
  3. Step 3: Cross multiply
    89,531.35x = 123,550.83 × 50,776.28
  4. Step 4: Simplify right side
    89,531.35x = 6,273,452,221.66
  5. Step 5: Solve for x
    x = 6,273,452,221.66/89,531.35
  6. Step 6: Final answer
    x = 70,069.90

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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.