Home / 73,078.07-109,300.38-43,020.66

Finding the Fourth Proportional to 73,078.07, 109,300.38 and 43,020.66

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Solution

The fourth proportional to 73,078.07, 109,300.38 and 43,020.66 is: 64,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,078.07 : 109,300.38 = 43,020.66 : x
  2. Step 2: Convert to fraction form
    73,078.07/109,300.38 = 43,020.66/x
  3. Step 3: Cross multiply
    73,078.07x = 109,300.38 × 43,020.66
  4. Step 4: Simplify right side
    73,078.07x = 4,702,174,485.85
  5. Step 5: Solve for x
    x = 4,702,174,485.85/73,078.07
  6. Step 6: Final answer
    x = 64,344.54

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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.