Home / 117,262.23-161,824.95-71,965.32

Finding the Fourth Proportional to 117,262.23, 161,824.95 and 71,965.32

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Solution

The fourth proportional to 117,262.23, 161,824.95 and 71,965.32 is: 99,314.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,262.23 : 161,824.95 = 71,965.32 : x
  2. Step 2: Convert to fraction form
    117,262.23/161,824.95 = 71,965.32/x
  3. Step 3: Cross multiply
    117,262.23x = 161,824.95 × 71,965.32
  4. Step 4: Simplify right side
    117,262.23x = 11,645,784,310.73
  5. Step 5: Solve for x
    x = 11,645,784,310.73/117,262.23
  6. Step 6: Final answer
    x = 99,314.03

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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.