Home / 117,056.96-161,539.18-66,071.85

Finding the Fourth Proportional to 117,056.96, 161,539.18 and 66,071.85

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Solution

The fourth proportional to 117,056.96, 161,539.18 and 66,071.85 is: 91,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,056.96 : 161,539.18 = 66,071.85 : x
  2. Step 2: Convert to fraction form
    117,056.96/161,539.18 = 66,071.85/x
  3. Step 3: Cross multiply
    117,056.96x = 161,539.18 × 66,071.85
  4. Step 4: Simplify right side
    117,056.96x = 10,673,192,470.08
  5. Step 5: Solve for x
    x = 10,673,192,470.08/117,056.96
  6. Step 6: Final answer
    x = 91,179.48

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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.