Home / 114,998.09-172,442.51-40,109.14

Finding the Fourth Proportional to 114,998.09, 172,442.51 and 40,109.14

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Solution

The fourth proportional to 114,998.09, 172,442.51 and 40,109.14 is: 60,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,998.09 : 172,442.51 = 40,109.14 : x
  2. Step 2: Convert to fraction form
    114,998.09/172,442.51 = 40,109.14/x
  3. Step 3: Cross multiply
    114,998.09x = 172,442.51 × 40,109.14
  4. Step 4: Simplify right side
    114,998.09x = 6,916,519,712.78
  5. Step 5: Solve for x
    x = 6,916,519,712.78/114,998.09
  6. Step 6: Final answer
    x = 60,144.65

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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.