Home / 79,670.13-109,944.18-43,860.75

Finding the Fourth Proportional to 79,670.13, 109,944.18 and 43,860.75

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Solution

The fourth proportional to 79,670.13, 109,944.18 and 43,860.75 is: 60,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,670.13 : 109,944.18 = 43,860.75 : x
  2. Step 2: Convert to fraction form
    79,670.13/109,944.18 = 43,860.75/x
  3. Step 3: Cross multiply
    79,670.13x = 109,944.18 × 43,860.75
  4. Step 4: Simplify right side
    79,670.13x = 4,822,234,192.94
  5. Step 5: Solve for x
    x = 4,822,234,192.94/79,670.13
  6. Step 6: Final answer
    x = 60,527.51

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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.