Home / 117,041.39-161,517.67-66,056.27

Finding the Fourth Proportional to 117,041.39, 161,517.67 and 66,056.27

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Solution

The fourth proportional to 117,041.39, 161,517.67 and 66,056.27 is: 91,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,041.39 : 161,517.67 = 66,056.27 : x
  2. Step 2: Convert to fraction form
    117,041.39/161,517.67 = 66,056.27/x
  3. Step 3: Cross multiply
    117,041.39x = 161,517.67 × 66,056.27
  4. Step 4: Simplify right side
    117,041.39x = 10,669,254,145.91
  5. Step 5: Solve for x
    x = 10,669,254,145.91/117,041.39
  6. Step 6: Final answer
    x = 91,157.96

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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.