Home / 117,094.65-161,594.81-66,116.44

Finding the Fourth Proportional to 117,094.65, 161,594.81 and 66,116.44

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Solution

The fourth proportional to 117,094.65, 161,594.81 and 66,116.44 is: 91,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,094.65 : 161,594.81 = 66,116.44 : x
  2. Step 2: Convert to fraction form
    117,094.65/161,594.81 = 66,116.44/x
  3. Step 3: Cross multiply
    117,094.65x = 161,594.81 × 66,116.44
  4. Step 4: Simplify right side
    117,094.65x = 10,684,073,559.68
  5. Step 5: Solve for x
    x = 10,684,073,559.68/117,094.65
  6. Step 6: Final answer
    x = 91,243.05

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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.