Home / 55,440.14-76,480.70-36,311.38

Finding the Fourth Proportional to 55,440.14, 76,480.70 and 36,311.38

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Solution

The fourth proportional to 55,440.14, 76,480.70 and 36,311.38 is: 50,092.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440.14 : 76,480.70 = 36,311.38 : x
  2. Step 2: Convert to fraction form
    55,440.14/76,480.70 = 36,311.38/x
  3. Step 3: Cross multiply
    55,440.14x = 76,480.70 × 36,311.38
  4. Step 4: Simplify right side
    55,440.14x = 2,777,119,760.37
  5. Step 5: Solve for x
    x = 2,777,119,760.37/55,440.14
  6. Step 6: Final answer
    x = 50,092.22

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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.