Home / 43,125.18-64,712.82-18,163.68

Finding the Fourth Proportional to 43,125.18, 64,712.82 and 18,163.68

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Solution

The fourth proportional to 43,125.18, 64,712.82 and 18,163.68 is: 27,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,125.18 : 64,712.82 = 18,163.68 : x
  2. Step 2: Convert to fraction form
    43,125.18/64,712.82 = 18,163.68/x
  3. Step 3: Cross multiply
    43,125.18x = 64,712.82 × 18,163.68
  4. Step 4: Simplify right side
    43,125.18x = 1,175,422,954.38
  5. Step 5: Solve for x
    x = 1,175,422,954.38/43,125.18
  6. Step 6: Final answer
    x = 27,256.07

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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.