Home / 124,842.88-172,285.82-68,253.04

Finding the Fourth Proportional to 124,842.88, 172,285.82 and 68,253.04

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Solution

The fourth proportional to 124,842.88, 172,285.82 and 68,253.04 is: 94,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,842.88 : 172,285.82 = 68,253.04 : x
  2. Step 2: Convert to fraction form
    124,842.88/172,285.82 = 68,253.04/x
  3. Step 3: Cross multiply
    124,842.88x = 172,285.82 × 68,253.04
  4. Step 4: Simplify right side
    124,842.88x = 11,759,030,963.89
  5. Step 5: Solve for x
    x = 11,759,030,963.89/124,842.88
  6. Step 6: Final answer
    x = 94,190.64

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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.