Home / 79,186.67-109,277.63-43,377.96

Finding the Fourth Proportional to 79,186.67, 109,277.63 and 43,377.96

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Solution

The fourth proportional to 79,186.67, 109,277.63 and 43,377.96 is: 59,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,186.67 : 109,277.63 = 43,377.96 : x
  2. Step 2: Convert to fraction form
    79,186.67/109,277.63 = 43,377.96/x
  3. Step 3: Cross multiply
    79,186.67x = 109,277.63 × 43,377.96
  4. Step 4: Simplify right side
    79,186.67x = 4,740,240,663.03
  5. Step 5: Solve for x
    x = 4,740,240,663.03/79,186.67
  6. Step 6: Final answer
    x = 59,861.60

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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.