Home / 108,087.27-161,847.96-76,325.67

Finding the Fourth Proportional to 108,087.27, 161,847.96 and 76,325.67

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Solution

The fourth proportional to 108,087.27, 161,847.96 and 76,325.67 is: 114,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,087.27 : 161,847.96 = 76,325.67 : x
  2. Step 2: Convert to fraction form
    108,087.27/161,847.96 = 76,325.67/x
  3. Step 3: Cross multiply
    108,087.27x = 161,847.96 × 76,325.67
  4. Step 4: Simplify right side
    108,087.27x = 12,353,153,985.13
  5. Step 5: Solve for x
    x = 12,353,153,985.13/108,087.27
  6. Step 6: Final answer
    x = 114,288.70

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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.