Home / 80,530.92-120,705.23-41,004.54

Finding the Fourth Proportional to 80,530.92, 120,705.23 and 41,004.54

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Solution

The fourth proportional to 80,530.92, 120,705.23 and 41,004.54 is: 61,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,530.92 : 120,705.23 = 41,004.54 : x
  2. Step 2: Convert to fraction form
    80,530.92/120,705.23 = 41,004.54/x
  3. Step 3: Cross multiply
    80,530.92x = 120,705.23 × 41,004.54
  4. Step 4: Simplify right side
    80,530.92x = 4,949,462,534.26
  5. Step 5: Solve for x
    x = 4,949,462,534.26/80,530.92
  6. Step 6: Final answer
    x = 61,460.40

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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.