Home / 55,079.48-76,006.94-31,205.54

Finding the Fourth Proportional to 55,079.48, 76,006.94 and 31,205.54

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Solution

The fourth proportional to 55,079.48, 76,006.94 and 31,205.54 is: 43,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.48 : 76,006.94 = 31,205.54 : x
  2. Step 2: Convert to fraction form
    55,079.48/76,006.94 = 31,205.54/x
  3. Step 3: Cross multiply
    55,079.48x = 76,006.94 × 31,205.54
  4. Step 4: Simplify right side
    55,079.48x = 2,371,837,606.45
  5. Step 5: Solve for x
    x = 2,371,837,606.45/55,079.48
  6. Step 6: Final answer
    x = 43,062.09

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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.