Home / 55,261.44-82,774.80-38,581.92

Finding the Fourth Proportional to 55,261.44, 82,774.80 and 38,581.92

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Solution

The fourth proportional to 55,261.44, 82,774.80 and 38,581.92 is: 57,790.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,261.44 : 82,774.80 = 38,581.92 : x
  2. Step 2: Convert to fraction form
    55,261.44/82,774.80 = 38,581.92/x
  3. Step 3: Cross multiply
    55,261.44x = 82,774.80 × 38,581.92
  4. Step 4: Simplify right side
    55,261.44x = 3,193,610,711.62
  5. Step 5: Solve for x
    x = 3,193,610,711.62/55,261.44
  6. Step 6: Final answer
    x = 57,790.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.