Home / 104,324.20-156,563.10-42,039.40

Finding the Fourth Proportional to 104,324.20, 156,563.10 and 42,039.40

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Solution

The fourth proportional to 104,324.20, 156,563.10 and 42,039.40 is: 63,090.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,324.20 : 156,563.10 = 42,039.40 : x
  2. Step 2: Convert to fraction form
    104,324.20/156,563.10 = 42,039.40/x
  3. Step 3: Cross multiply
    104,324.20x = 156,563.10 × 42,039.40
  4. Step 4: Simplify right side
    104,324.20x = 6,581,818,786.14
  5. Step 5: Solve for x
    x = 6,581,818,786.14/104,324.20
  6. Step 6: Final answer
    x = 63,090.05

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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.