Home / 110,742.56-166,135.72-40,622.48

Finding the Fourth Proportional to 110,742.56, 166,135.72 and 40,622.48

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Solution

The fourth proportional to 110,742.56, 166,135.72 and 40,622.48 is: 60,941.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,742.56 : 166,135.72 = 40,622.48 : x
  2. Step 2: Convert to fraction form
    110,742.56/166,135.72 = 40,622.48/x
  3. Step 3: Cross multiply
    110,742.56x = 166,135.72 × 40,622.48
  4. Step 4: Simplify right side
    110,742.56x = 6,748,844,962.99
  5. Step 5: Solve for x
    x = 6,748,844,962.99/110,742.56
  6. Step 6: Final answer
    x = 60,941.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.