Home / 55,480.74-76,563.27-31,607.46

Finding the Fourth Proportional to 55,480.74, 76,563.27 and 31,607.46

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Solution

The fourth proportional to 55,480.74, 76,563.27 and 31,607.46 is: 43,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,480.74 : 76,563.27 = 31,607.46 : x
  2. Step 2: Convert to fraction form
    55,480.74/76,563.27 = 31,607.46/x
  3. Step 3: Cross multiply
    55,480.74x = 76,563.27 × 31,607.46
  4. Step 4: Simplify right side
    55,480.74x = 2,419,970,493.99
  5. Step 5: Solve for x
    x = 2,419,970,493.99/55,480.74
  6. Step 6: Final answer
    x = 43,618.21

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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.