Home / 89,451.30-123,445.07-49,166.09

Finding the Fourth Proportional to 89,451.30, 123,445.07 and 49,166.09

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Solution

The fourth proportional to 89,451.30, 123,445.07 and 49,166.09 is: 67,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,451.30 : 123,445.07 = 49,166.09 : x
  2. Step 2: Convert to fraction form
    89,451.30/123,445.07 = 49,166.09/x
  3. Step 3: Cross multiply
    89,451.30x = 123,445.07 × 49,166.09
  4. Step 4: Simplify right side
    89,451.30x = 6,069,310,558.62
  5. Step 5: Solve for x
    x = 6,069,310,558.62/89,451.30
  6. Step 6: Final answer
    x = 67,850.45

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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.