Home / 114,976.30-172,421.43-40,077.22

Finding the Fourth Proportional to 114,976.30, 172,421.43 and 40,077.22

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Solution

The fourth proportional to 114,976.30, 172,421.43 and 40,077.22 is: 60,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,976.30 : 172,421.43 = 40,077.22 : x
  2. Step 2: Convert to fraction form
    114,976.30/172,421.43 = 40,077.22/x
  3. Step 3: Cross multiply
    114,976.30x = 172,421.43 × 40,077.22
  4. Step 4: Simplify right side
    114,976.30x = 6,910,171,582.82
  5. Step 5: Solve for x
    x = 6,910,171,582.82/114,976.30
  6. Step 6: Final answer
    x = 60,100.83

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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.