Home / 79,330.05-109,475.01-43,519.28

Finding the Fourth Proportional to 79,330.05, 109,475.01 and 43,519.28

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Solution

The fourth proportional to 79,330.05, 109,475.01 and 43,519.28 is: 60,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,330.05 : 109,475.01 = 43,519.28 : x
  2. Step 2: Convert to fraction form
    79,330.05/109,475.01 = 43,519.28/x
  3. Step 3: Cross multiply
    79,330.05x = 109,475.01 × 43,519.28
  4. Step 4: Simplify right side
    79,330.05x = 4,764,273,065.82
  5. Step 5: Solve for x
    x = 4,764,273,065.82/79,330.05
  6. Step 6: Final answer
    x = 60,056.35

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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.