Home / 73,117.10-109,653.30-30,996.38

Finding the Fourth Proportional to 73,117.10, 109,653.30 and 30,996.38

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Solution

The fourth proportional to 73,117.10, 109,653.30 and 30,996.38 is: 46,485.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,117.10 : 109,653.30 = 30,996.38 : x
  2. Step 2: Convert to fraction form
    73,117.10/109,653.30 = 30,996.38/x
  3. Step 3: Cross multiply
    73,117.10x = 109,653.30 × 30,996.38
  4. Step 4: Simplify right side
    73,117.10x = 3,398,854,806.79
  5. Step 5: Solve for x
    x = 3,398,854,806.79/73,117.10
  6. Step 6: Final answer
    x = 46,485.09

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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.