Home / 124,747.26-172,149.21-68,157.42

Finding the Fourth Proportional to 124,747.26, 172,149.21 and 68,157.42

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Solution

The fourth proportional to 124,747.26, 172,149.21 and 68,157.42 is: 94,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,747.26 : 172,149.21 = 68,157.42 : x
  2. Step 2: Convert to fraction form
    124,747.26/172,149.21 = 68,157.42/x
  3. Step 3: Cross multiply
    124,747.26x = 172,149.21 × 68,157.42
  4. Step 4: Simplify right side
    124,747.26x = 11,733,246,008.64
  5. Step 5: Solve for x
    x = 11,733,246,008.64/124,747.26
  6. Step 6: Final answer
    x = 94,056.14

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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.