Home / 117,041.18-161,517.38-66,056.06

Finding the Fourth Proportional to 117,041.18, 161,517.38 and 66,056.06

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Solution

The fourth proportional to 117,041.18, 161,517.38 and 66,056.06 is: 91,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,041.18 : 161,517.38 = 66,056.06 : x
  2. Step 2: Convert to fraction form
    117,041.18/161,517.38 = 66,056.06/x
  3. Step 3: Cross multiply
    117,041.18x = 161,517.38 × 66,056.06
  4. Step 4: Simplify right side
    117,041.18x = 10,669,200,909.30
  5. Step 5: Solve for x
    x = 10,669,200,909.30/117,041.18
  6. Step 6: Final answer
    x = 91,157.67

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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.