Home / 55,771.74-76,961.34-33,109.56

Finding the Fourth Proportional to 55,771.74, 76,961.34 and 33,109.56

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Solution

The fourth proportional to 55,771.74, 76,961.34 and 33,109.56 is: 45,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,771.74 : 76,961.34 = 33,109.56 : x
  2. Step 2: Convert to fraction form
    55,771.74/76,961.34 = 33,109.56/x
  3. Step 3: Cross multiply
    55,771.74x = 76,961.34 × 33,109.56
  4. Step 4: Simplify right side
    55,771.74x = 2,548,156,104.41
  5. Step 5: Solve for x
    x = 2,548,156,104.41/55,771.74
  6. Step 6: Final answer
    x = 45,689.02

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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.