Home / 116,021.10-173,902.05-66,125.10

Finding the Fourth Proportional to 116,021.10, 173,902.05 and 66,125.10

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Solution

The fourth proportional to 116,021.10, 173,902.05 and 66,125.10 is: 99,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,021.10 : 173,902.05 = 66,125.10 : x
  2. Step 2: Convert to fraction form
    116,021.10/173,902.05 = 66,125.10/x
  3. Step 3: Cross multiply
    116,021.10x = 173,902.05 × 66,125.10
  4. Step 4: Simplify right side
    116,021.10x = 11,499,290,446.46
  5. Step 5: Solve for x
    x = 11,499,290,446.46/116,021.10
  6. Step 6: Final answer
    x = 99,113.79

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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.