Home / 73,501.10-109,992.45-51,209.90

Finding the Fourth Proportional to 73,501.10, 109,992.45 and 51,209.90

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Solution

The fourth proportional to 73,501.10, 109,992.45 and 51,209.90 is: 76,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,501.10 : 109,992.45 = 51,209.90 : x
  2. Step 2: Convert to fraction form
    73,501.10/109,992.45 = 51,209.90/x
  3. Step 3: Cross multiply
    73,501.10x = 109,992.45 × 51,209.90
  4. Step 4: Simplify right side
    73,501.10x = 5,632,702,365.26
  5. Step 5: Solve for x
    x = 5,632,702,365.26/73,501.10
  6. Step 6: Final answer
    x = 76,634.26

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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.