Home / 108,074.60-161,723.10-73,082.60

Finding the Fourth Proportional to 108,074.60, 161,723.10 and 73,082.60

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Solution

The fourth proportional to 108,074.60, 161,723.10 and 73,082.60 is: 109,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,074.60 : 161,723.10 = 73,082.60 : x
  2. Step 2: Convert to fraction form
    108,074.60/161,723.10 = 73,082.60/x
  3. Step 3: Cross multiply
    108,074.60x = 161,723.10 × 73,082.60
  4. Step 4: Simplify right side
    108,074.60x = 11,819,144,628.06
  5. Step 5: Solve for x
    x = 11,819,144,628.06/108,074.60
  6. Step 6: Final answer
    x = 109,360.98

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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.