Home / 55,044.99-75,975.66-31,185.75

Finding the Fourth Proportional to 55,044.99, 75,975.66 and 31,185.75

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Solution

The fourth proportional to 55,044.99, 75,975.66 and 31,185.75 is: 43,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,044.99 : 75,975.66 = 31,185.75 : x
  2. Step 2: Convert to fraction form
    55,044.99/75,975.66 = 31,185.75/x
  3. Step 3: Cross multiply
    55,044.99x = 75,975.66 × 31,185.75
  4. Step 4: Simplify right side
    55,044.99x = 2,369,357,938.85
  5. Step 5: Solve for x
    x = 2,369,357,938.85/55,044.99
  6. Step 6: Final answer
    x = 43,044.03

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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.