Home / 55,469.21-76,539.53-31,592.03

Finding the Fourth Proportional to 55,469.21, 76,539.53 and 31,592.03

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Solution

The fourth proportional to 55,469.21, 76,539.53 and 31,592.03 is: 43,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,469.21 : 76,539.53 = 31,592.03 : x
  2. Step 2: Convert to fraction form
    55,469.21/76,539.53 = 31,592.03/x
  3. Step 3: Cross multiply
    55,469.21x = 76,539.53 × 31,592.03
  4. Step 4: Simplify right side
    55,469.21x = 2,418,038,824.23
  5. Step 5: Solve for x
    x = 2,418,038,824.23/55,469.21
  6. Step 6: Final answer
    x = 43,592.46

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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.