Home / 64,876.33-97,301.53-18,129.61

Finding the Fourth Proportional to 64,876.33, 97,301.53 and 18,129.61

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Solution

The fourth proportional to 64,876.33, 97,301.53 and 18,129.61 is: 27,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,876.33 : 97,301.53 = 18,129.61 : x
  2. Step 2: Convert to fraction form
    64,876.33/97,301.53 = 18,129.61/x
  3. Step 3: Cross multiply
    64,876.33x = 97,301.53 × 18,129.61
  4. Step 4: Simplify right side
    64,876.33x = 1,764,038,791.30
  5. Step 5: Solve for x
    x = 1,764,038,791.30/64,876.33
  6. Step 6: Final answer
    x = 27,190.79

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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.