Home / 117,359.28-161,964.75-66,373.02

Finding the Fourth Proportional to 117,359.28, 161,964.75 and 66,373.02

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Solution

The fourth proportional to 117,359.28, 161,964.75 and 66,373.02 is: 91,599.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,359.28 : 161,964.75 = 66,373.02 : x
  2. Step 2: Convert to fraction form
    117,359.28/161,964.75 = 66,373.02/x
  3. Step 3: Cross multiply
    117,359.28x = 161,964.75 × 66,373.02
  4. Step 4: Simplify right side
    117,359.28x = 10,750,089,591.05
  5. Step 5: Solve for x
    x = 10,750,089,591.05/117,359.28
  6. Step 6: Final answer
    x = 91,599.83

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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.