Home / 125,157.07-172,714.44-68,568.04

Finding the Fourth Proportional to 125,157.07, 172,714.44 and 68,568.04

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Solution

The fourth proportional to 125,157.07, 172,714.44 and 68,568.04 is: 94,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,157.07 : 172,714.44 = 68,568.04 : x
  2. Step 2: Convert to fraction form
    125,157.07/172,714.44 = 68,568.04/x
  3. Step 3: Cross multiply
    125,157.07x = 172,714.44 × 68,568.04
  4. Step 4: Simplify right side
    125,157.07x = 11,842,690,630.50
  5. Step 5: Solve for x
    x = 11,842,690,630.50/125,157.07
  6. Step 6: Final answer
    x = 94,622.63

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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.