Home / 116,910.78-175,423.77-54,585.66

Finding the Fourth Proportional to 116,910.78, 175,423.77 and 54,585.66

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Solution

The fourth proportional to 116,910.78, 175,423.77 and 54,585.66 is: 81,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,910.78 : 175,423.77 = 54,585.66 : x
  2. Step 2: Convert to fraction form
    116,910.78/175,423.77 = 54,585.66/x
  3. Step 3: Cross multiply
    116,910.78x = 175,423.77 × 54,585.66
  4. Step 4: Simplify right side
    116,910.78x = 9,575,622,265.14
  5. Step 5: Solve for x
    x = 9,575,622,265.14/116,910.78
  6. Step 6: Final answer
    x = 81,905.38

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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.