Home / 111,724.48-167,362.32-51,668.76

Finding the Fourth Proportional to 111,724.48, 167,362.32 and 51,668.76

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Solution

The fourth proportional to 111,724.48, 167,362.32 and 51,668.76 is: 77,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,724.48 : 167,362.32 = 51,668.76 : x
  2. Step 2: Convert to fraction form
    111,724.48/167,362.32 = 51,668.76/x
  3. Step 3: Cross multiply
    111,724.48x = 167,362.32 × 51,668.76
  4. Step 4: Simplify right side
    111,724.48x = 8,647,403,545.12
  5. Step 5: Solve for x
    x = 8,647,403,545.12/111,724.48
  6. Step 6: Final answer
    x = 77,399.36

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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.