Home / 117,452.65-162,083.82-63,736.30

Finding the Fourth Proportional to 117,452.65, 162,083.82 and 63,736.30

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Solution

The fourth proportional to 117,452.65, 162,083.82 and 63,736.30 is: 87,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,452.65 : 162,083.82 = 63,736.30 : x
  2. Step 2: Convert to fraction form
    117,452.65/162,083.82 = 63,736.30/x
  3. Step 3: Cross multiply
    117,452.65x = 162,083.82 × 63,736.30
  4. Step 4: Simplify right side
    117,452.65x = 10,330,622,976.67
  5. Step 5: Solve for x
    x = 10,330,622,976.67/117,452.65
  6. Step 6: Final answer
    x = 87,955.64

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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.