Home / 115,845.84-173,644.56-75,849.66

Finding the Fourth Proportional to 115,845.84, 173,644.56 and 75,849.66

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Solution

The fourth proportional to 115,845.84, 173,644.56 and 75,849.66 is: 113,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,845.84 : 173,644.56 = 75,849.66 : x
  2. Step 2: Convert to fraction form
    115,845.84/173,644.56 = 75,849.66/x
  3. Step 3: Cross multiply
    115,845.84x = 173,644.56 × 75,849.66
  4. Step 4: Simplify right side
    115,845.84x = 13,170,880,836.85
  5. Step 5: Solve for x
    x = 13,170,880,836.85/115,845.84
  6. Step 6: Final answer
    x = 113,693.17

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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.