Home / 55,256.52-76,251.36-31,379.94

Finding the Fourth Proportional to 55,256.52, 76,251.36 and 31,379.94

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Solution

The fourth proportional to 55,256.52, 76,251.36 and 31,379.94 is: 43,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,256.52 : 76,251.36 = 31,379.94 : x
  2. Step 2: Convert to fraction form
    55,256.52/76,251.36 = 31,379.94/x
  3. Step 3: Cross multiply
    55,256.52x = 76,251.36 × 31,379.94
  4. Step 4: Simplify right side
    55,256.52x = 2,392,763,101.72
  5. Step 5: Solve for x
    x = 2,392,763,101.72/55,256.52
  6. Step 6: Final answer
    x = 43,302.82

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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.