Home / 55,716.39-76,887.97-30,222.28

Finding the Fourth Proportional to 55,716.39, 76,887.97 and 30,222.28

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Solution

The fourth proportional to 55,716.39, 76,887.97 and 30,222.28 is: 41,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,716.39 : 76,887.97 = 30,222.28 : x
  2. Step 2: Convert to fraction form
    55,716.39/76,887.97 = 30,222.28/x
  3. Step 3: Cross multiply
    55,716.39x = 76,887.97 × 30,222.28
  4. Step 4: Simplify right side
    55,716.39x = 2,323,729,778.53
  5. Step 5: Solve for x
    x = 2,323,729,778.53/55,716.39
  6. Step 6: Final answer
    x = 41,706.40

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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.