Home / 108,069.24-161,771.70-92,126.01

Finding the Fourth Proportional to 108,069.24, 161,771.70 and 92,126.01

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Solution

The fourth proportional to 108,069.24, 161,771.70 and 92,126.01 is: 137,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,069.24 : 161,771.70 = 92,126.01 : x
  2. Step 2: Convert to fraction form
    108,069.24/161,771.70 = 92,126.01/x
  3. Step 3: Cross multiply
    108,069.24x = 161,771.70 × 92,126.01
  4. Step 4: Simplify right side
    108,069.24x = 14,903,381,251.92
  5. Step 5: Solve for x
    x = 14,903,381,251.92/108,069.24
  6. Step 6: Final answer
    x = 137,905.86

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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.