Home / 117,269.67-161,831.73-63,556

Finding the Fourth Proportional to 117,269.67, 161,831.73 and 63,556

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Solution

The fourth proportional to 117,269.67, 161,831.73 and 63,556 is: 87,707.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,269.67 : 161,831.73 = 63,556 : x
  2. Step 2: Convert to fraction form
    117,269.67/161,831.73 = 63,556/x
  3. Step 3: Cross multiply
    117,269.67x = 161,831.73 × 63,556
  4. Step 4: Simplify right side
    117,269.67x = 10,285,377,431.88
  5. Step 5: Solve for x
    x = 10,285,377,431.88/117,269.67
  6. Step 6: Final answer
    x = 87,707.06

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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.