Home / 73,079.20-109,576.26-28,653.88

Finding the Fourth Proportional to 73,079.20, 109,576.26 and 28,653.88

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Solution

The fourth proportional to 73,079.20, 109,576.26 and 28,653.88 is: 42,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,079.20 : 109,576.26 = 28,653.88 : x
  2. Step 2: Convert to fraction form
    73,079.20/109,576.26 = 28,653.88/x
  3. Step 3: Cross multiply
    73,079.20x = 109,576.26 × 28,653.88
  4. Step 4: Simplify right side
    73,079.20x = 3,139,785,004.89
  5. Step 5: Solve for x
    x = 3,139,785,004.89/73,079.20
  6. Step 6: Final answer
    x = 42,964.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.