Home / 79,234.11-109,343.91-43,423.34

Finding the Fourth Proportional to 79,234.11, 109,343.91 and 43,423.34

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Solution

The fourth proportional to 79,234.11, 109,343.91 and 43,423.34 is: 59,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,234.11 : 109,343.91 = 43,423.34 : x
  2. Step 2: Convert to fraction form
    79,234.11/109,343.91 = 43,423.34/x
  3. Step 3: Cross multiply
    79,234.11x = 109,343.91 × 43,423.34
  4. Step 4: Simplify right side
    79,234.11x = 4,748,077,234.14
  5. Step 5: Solve for x
    x = 4,748,077,234.14/79,234.11
  6. Step 6: Final answer
    x = 59,924.66

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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.