Home / 55,619.62-76,760.58-31,749.88

Finding the Fourth Proportional to 55,619.62, 76,760.58 and 31,749.88

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Solution

The fourth proportional to 55,619.62, 76,760.58 and 31,749.88 is: 43,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,619.62 : 76,760.58 = 31,749.88 : x
  2. Step 2: Convert to fraction form
    55,619.62/76,760.58 = 31,749.88/x
  3. Step 3: Cross multiply
    55,619.62x = 76,760.58 × 31,749.88
  4. Step 4: Simplify right side
    55,619.62x = 2,437,139,203.73
  5. Step 5: Solve for x
    x = 2,437,139,203.73/55,619.62
  6. Step 6: Final answer
    x = 43,817.98

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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.