Home / 107,556.04-161,330.41-40,993.75

Finding the Fourth Proportional to 107,556.04, 161,330.41 and 40,993.75

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Solution

The fourth proportional to 107,556.04, 161,330.41 and 40,993.75 is: 61,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,556.04 : 161,330.41 = 40,993.75 : x
  2. Step 2: Convert to fraction form
    107,556.04/161,330.41 = 40,993.75/x
  3. Step 3: Cross multiply
    107,556.04x = 161,330.41 × 40,993.75
  4. Step 4: Simplify right side
    107,556.04x = 6,613,538,494.94
  5. Step 5: Solve for x
    x = 6,613,538,494.94/107,556.04
  6. Step 6: Final answer
    x = 61,489.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.