Home / 55,163.24-76,122.98-30,012.68

Finding the Fourth Proportional to 55,163.24, 76,122.98 and 30,012.68

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Solution

The fourth proportional to 55,163.24, 76,122.98 and 30,012.68 is: 41,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,163.24 : 76,122.98 = 30,012.68 : x
  2. Step 2: Convert to fraction form
    55,163.24/76,122.98 = 30,012.68/x
  3. Step 3: Cross multiply
    55,163.24x = 76,122.98 × 30,012.68
  4. Step 4: Simplify right side
    55,163.24x = 2,284,654,639.39
  5. Step 5: Solve for x
    x = 2,284,654,639.39/55,163.24
  6. Step 6: Final answer
    x = 41,416.25

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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.