Home / 124,965.85-172,273.49-89,093.59

Finding the Fourth Proportional to 124,965.85, 172,273.49 and 89,093.59

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Solution

The fourth proportional to 124,965.85, 172,273.49 and 89,093.59 is: 122,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,965.85 : 172,273.49 = 89,093.59 : x
  2. Step 2: Convert to fraction form
    124,965.85/172,273.49 = 89,093.59/x
  3. Step 3: Cross multiply
    124,965.85x = 172,273.49 × 89,093.59
  4. Step 4: Simplify right side
    124,965.85x = 15,348,463,685.93
  5. Step 5: Solve for x
    x = 15,348,463,685.93/124,965.85
  6. Step 6: Final answer
    x = 122,821.26

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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.