Home / 64,313.06-96,478.92-19,943.38

Finding the Fourth Proportional to 64,313.06, 96,478.92 and 19,943.38

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Solution

The fourth proportional to 64,313.06, 96,478.92 and 19,943.38 is: 29,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,313.06 : 96,478.92 = 19,943.38 : x
  2. Step 2: Convert to fraction form
    64,313.06/96,478.92 = 19,943.38/x
  3. Step 3: Cross multiply
    64,313.06x = 96,478.92 × 19,943.38
  4. Step 4: Simplify right side
    64,313.06x = 1,924,115,884.15
  5. Step 5: Solve for x
    x = 1,924,115,884.15/64,313.06
  6. Step 6: Final answer
    x = 29,917.97

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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.