Home / 89,556.36-123,536.45-55,964.04

Finding the Fourth Proportional to 89,556.36, 123,536.45 and 55,964.04

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Solution

The fourth proportional to 89,556.36, 123,536.45 and 55,964.04 is: 77,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,556.36 : 123,536.45 = 55,964.04 : x
  2. Step 2: Convert to fraction form
    89,556.36/123,536.45 = 55,964.04/x
  3. Step 3: Cross multiply
    89,556.36x = 123,536.45 × 55,964.04
  4. Step 4: Simplify right side
    89,556.36x = 6,913,598,932.05
  5. Step 5: Solve for x
    x = 6,913,598,932.05/89,556.36
  6. Step 6: Final answer
    x = 77,198.30

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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.