Home / 115,629.12-173,197.79-55,569.39

Finding the Fourth Proportional to 115,629.12, 173,197.79 and 55,569.39

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Solution

The fourth proportional to 115,629.12, 173,197.79 and 55,569.39 is: 83,235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,629.12 : 173,197.79 = 55,569.39 : x
  2. Step 2: Convert to fraction form
    115,629.12/173,197.79 = 55,569.39/x
  3. Step 3: Cross multiply
    115,629.12x = 173,197.79 × 55,569.39
  4. Step 4: Simplify right side
    115,629.12x = 9,624,496,107.51
  5. Step 5: Solve for x
    x = 9,624,496,107.51/115,629.12
  6. Step 6: Final answer
    x = 83,235.92

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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.