Home / 79,056.05-109,099.94-45,063.92

Finding the Fourth Proportional to 79,056.05, 109,099.94 and 45,063.92

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Solution

The fourth proportional to 79,056.05, 109,099.94 and 45,063.92 is: 62,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,056.05 : 109,099.94 = 45,063.92 : x
  2. Step 2: Convert to fraction form
    79,056.05/109,099.94 = 45,063.92/x
  3. Step 3: Cross multiply
    79,056.05x = 109,099.94 × 45,063.92
  4. Step 4: Simplify right side
    79,056.05x = 4,916,471,015.60
  5. Step 5: Solve for x
    x = 4,916,471,015.60/79,056.05
  6. Step 6: Final answer
    x = 62,189.69

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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.