Home / 117,211.25-161,751.36-63,496.49

Finding the Fourth Proportional to 117,211.25, 161,751.36 and 63,496.49

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Solution

The fourth proportional to 117,211.25, 161,751.36 and 63,496.49 is: 87,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,211.25 : 161,751.36 = 63,496.49 : x
  2. Step 2: Convert to fraction form
    117,211.25/161,751.36 = 63,496.49/x
  3. Step 3: Cross multiply
    117,211.25x = 161,751.36 × 63,496.49
  4. Step 4: Simplify right side
    117,211.25x = 10,270,642,803.97
  5. Step 5: Solve for x
    x = 10,270,642,803.97/117,211.25
  6. Step 6: Final answer
    x = 87,625.06

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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.