Home / 55,558.53-76,670.82-31,684.59

Finding the Fourth Proportional to 55,558.53, 76,670.82 and 31,684.59

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Solution

The fourth proportional to 55,558.53, 76,670.82 and 31,684.59 is: 43,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.53 : 76,670.82 = 31,684.59 : x
  2. Step 2: Convert to fraction form
    55,558.53/76,670.82 = 31,684.59/x
  3. Step 3: Cross multiply
    55,558.53x = 76,670.82 × 31,684.59
  4. Step 4: Simplify right side
    55,558.53x = 2,429,283,496.66
  5. Step 5: Solve for x
    x = 2,429,283,496.66/55,558.53
  6. Step 6: Final answer
    x = 43,724.76

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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.