Home / 89,752.11-123,858.77-49,467.30

Finding the Fourth Proportional to 89,752.11, 123,858.77 and 49,467.30

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Solution

The fourth proportional to 89,752.11, 123,858.77 and 49,467.30 is: 68,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,752.11 : 123,858.77 = 49,467.30 : x
  2. Step 2: Convert to fraction form
    89,752.11/123,858.77 = 49,467.30/x
  3. Step 3: Cross multiply
    89,752.11x = 123,858.77 × 49,467.30
  4. Step 4: Simplify right side
    89,752.11x = 6,126,958,685.88
  5. Step 5: Solve for x
    x = 6,126,958,685.88/89,752.11
  6. Step 6: Final answer
    x = 68,265.34

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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.