Home / 55,233.05-76,221.60-30,082.55

Finding the Fourth Proportional to 55,233.05, 76,221.60 and 30,082.55

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Solution

The fourth proportional to 55,233.05, 76,221.60 and 30,082.55 is: 41,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,233.05 : 76,221.60 = 30,082.55 : x
  2. Step 2: Convert to fraction form
    55,233.05/76,221.60 = 30,082.55/x
  3. Step 3: Cross multiply
    55,233.05x = 76,221.60 × 30,082.55
  4. Step 4: Simplify right side
    55,233.05x = 2,292,940,093.08
  5. Step 5: Solve for x
    x = 2,292,940,093.08/55,233.05
  6. Step 6: Final answer
    x = 41,513.91

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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.