Home / 79,377.76-109,546.23-52,473.61

Finding the Fourth Proportional to 79,377.76, 109,546.23 and 52,473.61

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Solution

The fourth proportional to 79,377.76, 109,546.23 and 52,473.61 is: 72,416.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,377.76 : 109,546.23 = 52,473.61 : x
  2. Step 2: Convert to fraction form
    79,377.76/109,546.23 = 52,473.61/x
  3. Step 3: Cross multiply
    79,377.76x = 109,546.23 × 52,473.61
  4. Step 4: Simplify right side
    79,377.76x = 5,748,286,149.99
  5. Step 5: Solve for x
    x = 5,748,286,149.99/79,377.76
  6. Step 6: Final answer
    x = 72,416.84

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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.