Home / 56,053.75-84,078.19-13,932.94

Finding the Fourth Proportional to 56,053.75, 84,078.19 and 13,932.94

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Solution

The fourth proportional to 56,053.75, 84,078.19 and 13,932.94 is: 20,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,053.75 : 84,078.19 = 13,932.94 : x
  2. Step 2: Convert to fraction form
    56,053.75/84,078.19 = 13,932.94/x
  3. Step 3: Cross multiply
    56,053.75x = 84,078.19 × 13,932.94
  4. Step 4: Simplify right side
    56,053.75x = 1,171,455,921.36
  5. Step 5: Solve for x
    x = 1,171,455,921.36/56,053.75
  6. Step 6: Final answer
    x = 20,898.80

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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.