Home / 104,556.11-156,746.00-45,347.20

Finding the Fourth Proportional to 104,556.11, 156,746.00 and 45,347.20

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Solution

The fourth proportional to 104,556.11, 156,746.00 and 45,347.20 is: 67,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,556.11 : 156,746.00 = 45,347.20 : x
  2. Step 2: Convert to fraction form
    104,556.11/156,746.00 = 45,347.20/x
  3. Step 3: Cross multiply
    104,556.11x = 156,746.00 × 45,347.20
  4. Step 4: Simplify right side
    104,556.11x = 7,107,991,932.70
  5. Step 5: Solve for x
    x = 7,107,991,932.70/104,556.11
  6. Step 6: Final answer
    x = 67,982.56

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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.