Home / 124,835.63-172,273.77-68,247

Finding the Fourth Proportional to 124,835.63, 172,273.77 and 68,247

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Solution

The fourth proportional to 124,835.63, 172,273.77 and 68,247 is: 94,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,835.63 : 172,273.77 = 68,247 : x
  2. Step 2: Convert to fraction form
    124,835.63/172,273.77 = 68,247/x
  3. Step 3: Cross multiply
    124,835.63x = 172,273.77 × 68,247
  4. Step 4: Simplify right side
    124,835.63x = 11,757,167,981.19
  5. Step 5: Solve for x
    x = 11,757,167,981.19/124,835.63
  6. Step 6: Final answer
    x = 94,181.19

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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.