Home / 55,304.10-82,956.15-54,785.70

Finding the Fourth Proportional to 55,304.10, 82,956.15 and 54,785.70

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Solution

The fourth proportional to 55,304.10, 82,956.15 and 54,785.70 is: 82,178.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,304.10 : 82,956.15 = 54,785.70 : x
  2. Step 2: Convert to fraction form
    55,304.10/82,956.15 = 54,785.70/x
  3. Step 3: Cross multiply
    55,304.10x = 82,956.15 × 54,785.70
  4. Step 4: Simplify right side
    55,304.10x = 4,544,810,747.06
  5. Step 5: Solve for x
    x = 4,544,810,747.06/55,304.10
  6. Step 6: Final answer
    x = 82,178.55

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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.