Home / 89,461.68-123,450.88-49,174.44

Finding the Fourth Proportional to 89,461.68, 123,450.88 and 49,174.44

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Solution

The fourth proportional to 89,461.68, 123,450.88 and 49,174.44 is: 67,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,461.68 : 123,450.88 = 49,174.44 : x
  2. Step 2: Convert to fraction form
    89,461.68/123,450.88 = 49,174.44/x
  3. Step 3: Cross multiply
    89,461.68x = 123,450.88 × 49,174.44
  4. Step 4: Simplify right side
    89,461.68x = 6,070,627,891.51
  5. Step 5: Solve for x
    x = 6,070,627,891.51/89,461.68
  6. Step 6: Final answer
    x = 67,857.30

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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.