Home / 55,604.54-76,733.40-31,730.60

Finding the Fourth Proportional to 55,604.54, 76,733.40 and 31,730.60

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Solution

The fourth proportional to 55,604.54, 76,733.40 and 31,730.60 is: 43,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,604.54 : 76,733.40 = 31,730.60 : x
  2. Step 2: Convert to fraction form
    55,604.54/76,733.40 = 31,730.60/x
  3. Step 3: Cross multiply
    55,604.54x = 76,733.40 × 31,730.60
  4. Step 4: Simplify right side
    55,604.54x = 2,434,796,822.04
  5. Step 5: Solve for x
    x = 2,434,796,822.04/55,604.54
  6. Step 6: Final answer
    x = 43,787.73

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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.