Home / 55,403.58-82,972.92-31,958.94

Finding the Fourth Proportional to 55,403.58, 82,972.92 and 31,958.94

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Solution

The fourth proportional to 55,403.58, 82,972.92 and 31,958.94 is: 47,862.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,403.58 : 82,972.92 = 31,958.94 : x
  2. Step 2: Convert to fraction form
    55,403.58/82,972.92 = 31,958.94/x
  3. Step 3: Cross multiply
    55,403.58x = 82,972.92 × 31,958.94
  4. Step 4: Simplify right side
    55,403.58x = 2,651,726,571.90
  5. Step 5: Solve for x
    x = 2,651,726,571.90/55,403.58
  6. Step 6: Final answer
    x = 47,862.01

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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.