Home / 55,403.79-83,163.39-25,850.13

Finding the Fourth Proportional to 55,403.79, 83,163.39 and 25,850.13

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Solution

The fourth proportional to 55,403.79, 83,163.39 and 25,850.13 is: 38,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,403.79 : 83,163.39 = 25,850.13 : x
  2. Step 2: Convert to fraction form
    55,403.79/83,163.39 = 25,850.13/x
  3. Step 3: Cross multiply
    55,403.79x = 83,163.39 × 25,850.13
  4. Step 4: Simplify right side
    55,403.79x = 2,149,784,442.74
  5. Step 5: Solve for x
    x = 2,149,784,442.74/55,403.79
  6. Step 6: Final answer
    x = 38,802.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.