Home / 55,052.72-75,974.28-31,182.96

Finding the Fourth Proportional to 55,052.72, 75,974.28 and 31,182.96

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Solution

The fourth proportional to 55,052.72, 75,974.28 and 31,182.96 is: 43,033.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,052.72 : 75,974.28 = 31,182.96 : x
  2. Step 2: Convert to fraction form
    55,052.72/75,974.28 = 31,182.96/x
  3. Step 3: Cross multiply
    55,052.72x = 75,974.28 × 31,182.96
  4. Step 4: Simplify right side
    55,052.72x = 2,369,102,934.27
  5. Step 5: Solve for x
    x = 2,369,102,934.27/55,052.72
  6. Step 6: Final answer
    x = 43,033.35

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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.