Home / 114,939.91-172,489.15-40,060.68

Finding the Fourth Proportional to 114,939.91, 172,489.15 and 40,060.68

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Solution

The fourth proportional to 114,939.91, 172,489.15 and 40,060.68 is: 60,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,939.91 : 172,489.15 = 40,060.68 : x
  2. Step 2: Convert to fraction form
    114,939.91/172,489.15 = 40,060.68/x
  3. Step 3: Cross multiply
    114,939.91x = 172,489.15 × 40,060.68
  4. Step 4: Simplify right side
    114,939.91x = 6,910,031,819.52
  5. Step 5: Solve for x
    x = 6,910,031,819.52/114,939.91
  6. Step 6: Final answer
    x = 60,118.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.