Home / 55,257.28-76,235.02-36,147.94

Finding the Fourth Proportional to 55,257.28, 76,235.02 and 36,147.94

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Solution

The fourth proportional to 55,257.28, 76,235.02 and 36,147.94 is: 49,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,257.28 : 76,235.02 = 36,147.94 : x
  2. Step 2: Convert to fraction form
    55,257.28/76,235.02 = 36,147.94/x
  3. Step 3: Cross multiply
    55,257.28x = 76,235.02 × 36,147.94
  4. Step 4: Simplify right side
    55,257.28x = 2,755,738,928.86
  5. Step 5: Solve for x
    x = 2,755,738,928.86/55,257.28
  6. Step 6: Final answer
    x = 49,871.06

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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.