Home / 124,744.88-172,150.26-68,155.04

Finding the Fourth Proportional to 124,744.88, 172,150.26 and 68,155.04

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Solution

The fourth proportional to 124,744.88, 172,150.26 and 68,155.04 is: 94,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,744.88 : 172,150.26 = 68,155.04 : x
  2. Step 2: Convert to fraction form
    124,744.88/172,150.26 = 68,155.04/x
  3. Step 3: Cross multiply
    124,744.88x = 172,150.26 × 68,155.04
  4. Step 4: Simplify right side
    124,744.88x = 11,732,907,856.31
  5. Step 5: Solve for x
    x = 11,732,907,856.31/124,744.88
  6. Step 6: Final answer
    x = 94,055.23

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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.