Home / 108,209.45-162,344.12-45,059.27

Finding the Fourth Proportional to 108,209.45, 162,344.12 and 45,059.27

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Solution

The fourth proportional to 108,209.45, 162,344.12 and 45,059.27 is: 67,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,209.45 : 162,344.12 = 45,059.27 : x
  2. Step 2: Convert to fraction form
    108,209.45/162,344.12 = 45,059.27/x
  3. Step 3: Cross multiply
    108,209.45x = 162,344.12 × 45,059.27
  4. Step 4: Simplify right side
    108,209.45x = 7,315,106,498.98
  5. Step 5: Solve for x
    x = 7,315,106,498.98/108,209.45
  6. Step 6: Final answer
    x = 67,601.37

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1.5x scale

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.