Home / 124,906.86-172,442.79-82,588.14

Finding the Fourth Proportional to 124,906.86, 172,442.79 and 82,588.14

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Solution

The fourth proportional to 124,906.86, 172,442.79 and 82,588.14 is: 114,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,906.86 : 172,442.79 = 82,588.14 : x
  2. Step 2: Convert to fraction form
    124,906.86/172,442.79 = 82,588.14/x
  3. Step 3: Cross multiply
    124,906.86x = 172,442.79 × 82,588.14
  4. Step 4: Simplify right side
    124,906.86x = 14,241,729,282.51
  5. Step 5: Solve for x
    x = 14,241,729,282.51/124,906.86
  6. Step 6: Final answer
    x = 114,018.79

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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.