Home / 117,106.48-161,606.88-63,391.94

Finding the Fourth Proportional to 117,106.48, 161,606.88 and 63,391.94

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Solution

The fourth proportional to 117,106.48, 161,606.88 and 63,391.94 is: 87,480.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,106.48 : 161,606.88 = 63,391.94 : x
  2. Step 2: Convert to fraction form
    117,106.48/161,606.88 = 63,391.94/x
  3. Step 3: Cross multiply
    117,106.48x = 161,606.88 × 63,391.94
  4. Step 4: Simplify right side
    117,106.48x = 10,244,573,640.55
  5. Step 5: Solve for x
    x = 10,244,573,640.55/117,106.48
  6. Step 6: Final answer
    x = 87,480.84

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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.