Home / 116,351.92-160,580.64-71,020.36

Finding the Fourth Proportional to 116,351.92, 160,580.64 and 71,020.36

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Solution

The fourth proportional to 116,351.92, 160,580.64 and 71,020.36 is: 98,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,351.92 : 160,580.64 = 71,020.36 : x
  2. Step 2: Convert to fraction form
    116,351.92/160,580.64 = 71,020.36/x
  3. Step 3: Cross multiply
    116,351.92x = 160,580.64 × 71,020.36
  4. Step 4: Simplify right side
    116,351.92x = 11,404,494,861.83
  5. Step 5: Solve for x
    x = 11,404,494,861.83/116,351.92
  6. Step 6: Final answer
    x = 98,017.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.