Home / 117,553.20-162,221.97-63,838.59

Finding the Fourth Proportional to 117,553.20, 162,221.97 and 63,838.59

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Solution

The fourth proportional to 117,553.20, 162,221.97 and 63,838.59 is: 88,096.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,553.20 : 162,221.97 = 63,838.59 : x
  2. Step 2: Convert to fraction form
    117,553.20/162,221.97 = 63,838.59/x
  3. Step 3: Cross multiply
    117,553.20x = 162,221.97 × 63,838.59
  4. Step 4: Simplify right side
    117,553.20x = 10,356,021,831.82
  5. Step 5: Solve for x
    x = 10,356,021,831.82/117,553.20
  6. Step 6: Final answer
    x = 88,096.47

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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.