Home / 124,997.25-172,499.64-71,291.01

Finding the Fourth Proportional to 124,997.25, 172,499.64 and 71,291.01

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Solution

The fourth proportional to 124,997.25, 172,499.64 and 71,291.01 is: 98,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,997.25 : 172,499.64 = 71,291.01 : x
  2. Step 2: Convert to fraction form
    124,997.25/172,499.64 = 71,291.01/x
  3. Step 3: Cross multiply
    124,997.25x = 172,499.64 × 71,291.01
  4. Step 4: Simplify right side
    124,997.25x = 12,297,673,560.24
  5. Step 5: Solve for x
    x = 12,297,673,560.24/124,997.25
  6. Step 6: Final answer
    x = 98,383.55

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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.