Home / 104,542.68-156,764.61-40,530.81

Finding the Fourth Proportional to 104,542.68, 156,764.61 and 40,530.81

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Solution

The fourth proportional to 104,542.68, 156,764.61 and 40,530.81 is: 60,777.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,542.68 : 156,764.61 = 40,530.81 : x
  2. Step 2: Convert to fraction form
    104,542.68/156,764.61 = 40,530.81/x
  3. Step 3: Cross multiply
    104,542.68x = 156,764.61 × 40,530.81
  4. Step 4: Simplify right side
    104,542.68x = 6,353,796,622.63
  5. Step 5: Solve for x
    x = 6,353,796,622.63/104,542.68
  6. Step 6: Final answer
    x = 60,777.06

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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.