Home / 55,426.90-76,489.22-31,553.58

Finding the Fourth Proportional to 55,426.90, 76,489.22 and 31,553.58

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Solution

The fourth proportional to 55,426.90, 76,489.22 and 31,553.58 is: 43,544.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,426.90 : 76,489.22 = 31,553.58 : x
  2. Step 2: Convert to fraction form
    55,426.90/76,489.22 = 31,553.58/x
  3. Step 3: Cross multiply
    55,426.90x = 76,489.22 × 31,553.58
  4. Step 4: Simplify right side
    55,426.90x = 2,413,508,722.41
  5. Step 5: Solve for x
    x = 2,413,508,722.41/55,426.90
  6. Step 6: Final answer
    x = 43,544.00

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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.