Home / 117,480.46-162,123.18-63,765.47

Finding the Fourth Proportional to 117,480.46, 162,123.18 and 63,765.47

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Solution

The fourth proportional to 117,480.46, 162,123.18 and 63,765.47 is: 87,996.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,480.46 : 162,123.18 = 63,765.47 : x
  2. Step 2: Convert to fraction form
    117,480.46/162,123.18 = 63,765.47/x
  3. Step 3: Cross multiply
    117,480.46x = 162,123.18 × 63,765.47
  4. Step 4: Simplify right side
    117,480.46x = 10,337,860,770.59
  5. Step 5: Solve for x
    x = 10,337,860,770.59/117,480.46
  6. Step 6: Final answer
    x = 87,996.43

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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.