Home / 117,480.43-162,123.13-63,765.44

Finding the Fourth Proportional to 117,480.43, 162,123.13 and 63,765.44

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Solution

The fourth proportional to 117,480.43, 162,123.13 and 63,765.44 is: 87,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,480.43 : 162,123.13 = 63,765.44 : x
  2. Step 2: Convert to fraction form
    117,480.43/162,123.13 = 63,765.44/x
  3. Step 3: Cross multiply
    117,480.43x = 162,123.13 × 63,765.44
  4. Step 4: Simplify right side
    117,480.43x = 10,337,852,718.63
  5. Step 5: Solve for x
    x = 10,337,852,718.63/117,480.43
  6. Step 6: Final answer
    x = 87,996.38

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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.