Home / 117,211.37-161,751.54-63,496.61

Finding the Fourth Proportional to 117,211.37, 161,751.54 and 63,496.61

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Solution

The fourth proportional to 117,211.37, 161,751.54 and 63,496.61 is: 87,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,211.37 : 161,751.54 = 63,496.61 : x
  2. Step 2: Convert to fraction form
    117,211.37/161,751.54 = 63,496.61/x
  3. Step 3: Cross multiply
    117,211.37x = 161,751.54 × 63,496.61
  4. Step 4: Simplify right side
    117,211.37x = 10,270,674,452.28
  5. Step 5: Solve for x
    x = 10,270,674,452.28/117,211.37
  6. Step 6: Final answer
    x = 87,625.24

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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.