Home / 115,403.03-172,791.74-59,882.39

Finding the Fourth Proportional to 115,403.03, 172,791.74 and 59,882.39

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Solution

The fourth proportional to 115,403.03, 172,791.74 and 59,882.39 is: 89,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,403.03 : 172,791.74 = 59,882.39 : x
  2. Step 2: Convert to fraction form
    115,403.03/172,791.74 = 59,882.39/x
  3. Step 3: Cross multiply
    115,403.03x = 172,791.74 × 59,882.39
  4. Step 4: Simplify right side
    115,403.03x = 10,347,181,649.21
  5. Step 5: Solve for x
    x = 10,347,181,649.21/115,403.03
  6. Step 6: Final answer
    x = 89,661.27

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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.