Home / 55,200.36-82,376.03-54,884.61

Finding the Fourth Proportional to 55,200.36, 82,376.03 and 54,884.61

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Solution

The fourth proportional to 55,200.36, 82,376.03 and 54,884.61 is: 81,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,200.36 : 82,376.03 = 54,884.61 : x
  2. Step 2: Convert to fraction form
    55,200.36/82,376.03 = 54,884.61/x
  3. Step 3: Cross multiply
    55,200.36x = 82,376.03 × 54,884.61
  4. Step 4: Simplify right side
    55,200.36x = 4,521,176,005.48
  5. Step 5: Solve for x
    x = 4,521,176,005.48/55,200.36
  6. Step 6: Final answer
    x = 81,904.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.