Home / 116,123.96-173,939.88-87,731.24

Finding the Fourth Proportional to 116,123.96, 173,939.88 and 87,731.24

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Solution

The fourth proportional to 116,123.96, 173,939.88 and 87,731.24 is: 131,410.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,123.96 : 173,939.88 = 87,731.24 : x
  2. Step 2: Convert to fraction form
    116,123.96/173,939.88 = 87,731.24/x
  3. Step 3: Cross multiply
    116,123.96x = 173,939.88 × 87,731.24
  4. Step 4: Simplify right side
    116,123.96x = 15,259,961,357.85
  5. Step 5: Solve for x
    x = 15,259,961,357.85/116,123.96
  6. Step 6: Final answer
    x = 131,410.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.