Home / 55,106.73-76,048.17-31,232.89

Finding the Fourth Proportional to 55,106.73, 76,048.17 and 31,232.89

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Solution

The fourth proportional to 55,106.73, 76,048.17 and 31,232.89 is: 43,101.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,106.73 : 76,048.17 = 31,232.89 : x
  2. Step 2: Convert to fraction form
    55,106.73/76,048.17 = 31,232.89/x
  3. Step 3: Cross multiply
    55,106.73x = 76,048.17 × 31,232.89
  4. Step 4: Simplify right side
    55,106.73x = 2,375,204,106.25
  5. Step 5: Solve for x
    x = 2,375,204,106.25/55,106.73
  6. Step 6: Final answer
    x = 43,101.89

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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.