Home / 75,090.12-103,622.94-41,556.12

Finding the Fourth Proportional to 75,090.12, 103,622.94 and 41,556.12

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Solution

The fourth proportional to 75,090.12, 103,622.94 and 41,556.12 is: 57,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,090.12 : 103,622.94 = 41,556.12 : x
  2. Step 2: Convert to fraction form
    75,090.12/103,622.94 = 41,556.12/x
  3. Step 3: Cross multiply
    75,090.12x = 103,622.94 × 41,556.12
  4. Step 4: Simplify right side
    75,090.12x = 4,306,167,329.39
  5. Step 5: Solve for x
    x = 4,306,167,329.39/75,090.12
  6. Step 6: Final answer
    x = 57,346.66

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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.