Home / 113,828.49-157,083.71-66,083.85

Finding the Fourth Proportional to 113,828.49, 157,083.71 and 66,083.85

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Solution

The fourth proportional to 113,828.49, 157,083.71 and 66,083.85 is: 91,195.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,828.49 : 157,083.71 = 66,083.85 : x
  2. Step 2: Convert to fraction form
    113,828.49/157,083.71 = 66,083.85/x
  3. Step 3: Cross multiply
    113,828.49x = 157,083.71 × 66,083.85
  4. Step 4: Simplify right side
    113,828.49x = 10,380,695,998.66
  5. Step 5: Solve for x
    x = 10,380,695,998.66/113,828.49
  6. Step 6: Final answer
    x = 91,195.94

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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.