Home / 124,906.74-172,442.62-82,588.02

Finding the Fourth Proportional to 124,906.74, 172,442.62 and 82,588.02

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Solution

The fourth proportional to 124,906.74, 172,442.62 and 82,588.02 is: 114,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,906.74 : 172,442.62 = 82,588.02 : x
  2. Step 2: Convert to fraction form
    124,906.74/172,442.62 = 82,588.02/x
  3. Step 3: Cross multiply
    124,906.74x = 172,442.62 × 82,588.02
  4. Step 4: Simplify right side
    124,906.74x = 14,241,694,549.41
  5. Step 5: Solve for x
    x = 14,241,694,549.41/124,906.74
  6. Step 6: Final answer
    x = 114,018.62

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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.