Home / 115,801.89-173,716.85-40,906.71

Finding the Fourth Proportional to 115,801.89, 173,716.85 and 40,906.71

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Solution

The fourth proportional to 115,801.89, 173,716.85 and 40,906.71 is: 61,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,801.89 : 173,716.85 = 40,906.71 : x
  2. Step 2: Convert to fraction form
    115,801.89/173,716.85 = 40,906.71/x
  3. Step 3: Cross multiply
    115,801.89x = 173,716.85 × 40,906.71
  4. Step 4: Simplify right side
    115,801.89x = 7,106,185,395.91
  5. Step 5: Solve for x
    x = 7,106,185,395.91/115,801.89
  6. Step 6: Final answer
    x = 61,365.02

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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.