Home / 124,717.42-172,103.62-68,117.86

Finding the Fourth Proportional to 124,717.42, 172,103.62 and 68,117.86

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Solution

The fourth proportional to 124,717.42, 172,103.62 and 68,117.86 is: 93,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,717.42 : 172,103.62 = 68,117.86 : x
  2. Step 2: Convert to fraction form
    124,717.42/172,103.62 = 68,117.86/x
  3. Step 3: Cross multiply
    124,717.42x = 172,103.62 × 68,117.86
  4. Step 4: Simplify right side
    124,717.42x = 11,723,330,292.65
  5. Step 5: Solve for x
    x = 11,723,330,292.65/124,717.42
  6. Step 6: Final answer
    x = 93,999.14

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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.