Home / 72,204.55-108,260.66-34,689.96

Finding the Fourth Proportional to 72,204.55, 108,260.66 and 34,689.96

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Solution

The fourth proportional to 72,204.55, 108,260.66 and 34,689.96 is: 52,012.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,204.55 : 108,260.66 = 34,689.96 : x
  2. Step 2: Convert to fraction form
    72,204.55/108,260.66 = 34,689.96/x
  3. Step 3: Cross multiply
    72,204.55x = 108,260.66 × 34,689.96
  4. Step 4: Simplify right side
    72,204.55x = 3,755,558,051.70
  5. Step 5: Solve for x
    x = 3,755,558,051.70/72,204.55
  6. Step 6: Final answer
    x = 52,012.76

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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.