Home / 55,472.06-76,551.45-30,321.56

Finding the Fourth Proportional to 55,472.06, 76,551.45 and 30,321.56

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Solution

The fourth proportional to 55,472.06, 76,551.45 and 30,321.56 is: 41,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,472.06 : 76,551.45 = 30,321.56 : x
  2. Step 2: Convert to fraction form
    55,472.06/76,551.45 = 30,321.56/x
  3. Step 3: Cross multiply
    55,472.06x = 76,551.45 × 30,321.56
  4. Step 4: Simplify right side
    55,472.06x = 2,321,159,461.93
  5. Step 5: Solve for x
    x = 2,321,159,461.93/55,472.06
  6. Step 6: Final answer
    x = 41,843.76

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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.