Home / 89,786.58-123,899.88-49,498.26

Finding the Fourth Proportional to 89,786.58, 123,899.88 and 49,498.26

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Solution

The fourth proportional to 89,786.58, 123,899.88 and 49,498.26 is: 68,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,786.58 : 123,899.88 = 49,498.26 : x
  2. Step 2: Convert to fraction form
    89,786.58/123,899.88 = 49,498.26/x
  3. Step 3: Cross multiply
    89,786.58x = 123,899.88 × 49,498.26
  4. Step 4: Simplify right side
    89,786.58x = 6,132,828,474.21
  5. Step 5: Solve for x
    x = 6,132,828,474.21/89,786.58
  6. Step 6: Final answer
    x = 68,304.51

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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.